CINXE.COM

<!DOCTYPE html> <html class="no-js" lang="en"> <head><link rel="canonical" href="https://www.stsci.edu/jwst/science-execution/approved-programs/dd-ers/program-1324" /> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=yes"> <meta name="description" content="Details of ERS Program 1324 - Through the Looking GLASS: A JWST Exploration of Galaxy Formation and Evolution from Cosmic Dawn to Present Day"> <meta name="target_country" content="us"> <meta property="og:locale" content="en_US"> <meta property="og:title" content="ERS Program 1324"> <meta property="og:description" content="Details of ERS Program 1324 - Through the Looking GLASS: A JWST Exploration of Galaxy Formation and Evolution from Cosmic Dawn to Present Day"> <meta property="og:type" content="website"> <meta property="og:site_name" content="STScI"> <meta property="og:url" content="https://www.stsci.edu/home/jwst/science-execution/approved-programs/dd-ers/program-1324"> <meta property="og:image" content="https://www.stsci.edu/modules/stsci-www-assets/assets/favicons/android-chrome-256x256.png"> <meta property="og:image:type" content="image/png"> <meta property="og:image:alt" content=""> <title>ERS Program 1324 | STScI</title> <link rel="apple-touch-icon-precomposed" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-precomposed.png"> <link rel="apple-touch-icon" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon.png"> <link rel="apple-touch-icon" sizes="57x57" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-57x57.png"> <link rel="apple-touch-icon" sizes="60x60" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-60x60.png"> <link rel="apple-touch-icon" sizes="72x72" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-72x72.png"> <link rel="apple-touch-icon" sizes="76x76" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-76x76.png"> <link rel="apple-touch-icon" sizes="114x114" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-114x114.png"> <link rel="apple-touch-icon" sizes="120x120" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-120x120.png"> <link rel="apple-touch-icon" sizes="144x144" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-144x144.png"> <link rel="apple-touch-icon" sizes="152x152" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-152x152.png"> <link rel="apple-touch-icon" sizes="180x180" href="/modules/stsci-www-assets/assets/favicons/apple-touch-icon-180x180.png"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"> <meta name="apple-mobile-web-app-title" content="Q Starter Kit"> <link rel="icon" type="image/png" sizes="228x228" href="/modules/stsci-www-assets/assets/favicons/coast-228x228.png"> <link rel="icon" type="image/png" sizes="32x32" href="/modules/stsci-www-assets/assets/favicons/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="192x192" href="/modules/stsci-www-assets/assets/favicons/android-chrome-192x192.png"> <link rel="icon" type="image/png" sizes="16x16" href="/modules/stsci-www-assets/assets/favicons/favicon-16x16.png"> <link rel="shortcut icon" href="/modules/stsci-www-assets/assets/favicons/favicon.ico"> <link rel="manifest" href="/modules/stsci-www-assets/assets/favicons/manifest.json"> <meta name="mobile-web-app-capable" content="yes"> <meta name="theme-color" content="#fff"> <meta name="application-name" content="Q Starter Kit"> <meta name="msapplication-TileColor" content="#fff"> <meta name="msapplication-TileImage" content="/modules/stsci-www-assets/assets/favicons/mstile-144x144.png"> <meta name="msapplication-config" content="/modules/stsci-www-assets/assets/favicons/browserconfig.xml"> <meta name="ucode" content="7EjHDCsimuhXhSQbYRmjcRWav3ttb3oEyGA9w9gU"> <link rel="apple-touch-startup-image" media="(width: 320px) and (height: 480px) and (-webkit-device-pixel-ratio: 1)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-320x460.png"> <link rel="apple-touch-startup-image" media="(width: 320px) and (height: 480px) and (-webkit-device-pixel-ratio: 2)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-640x920.png"> <link rel="apple-touch-startup-image" media="(width: 320px) and (height: 568px) and (-webkit-device-pixel-ratio: 2)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-640x1096.png"> <link rel="apple-touch-startup-image" media="(width: 375px) and (height: 667px) and (-webkit-device-pixel-ratio: 2)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-750x1294.png"> <link rel="apple-touch-startup-image" media="(width: 414px) and (height: 736px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 3)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-1182x2208.png"> <link rel="apple-touch-startup-image" media="(width: 414px) and (height: 736px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 3)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-1242x2148.png"> <link rel="apple-touch-startup-image" media="(width: 768px) and (height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 1)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-748x1024.png"> <link rel="apple-touch-startup-image" media="(width: 768px) and (height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 1)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-768x1004.png"> <link rel="apple-touch-startup-image" media="(width: 768px) and (height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 2)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-1496x2048.png"> <link rel="apple-touch-startup-image" media="(width: 768px) and (height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 2)" href="/modules/stsci-www-assets/assets/favicons/apple-touch-startup-image-1536x2008.png">  <link href="//vjs.zencdn.net/8.3.0/video-js.min.css" rel="stylesheet"> <link rel="stylesheet" href="/modules/stsci-www-assets/assets/css/www-override-7dd8e21801.css" media="all" type="text/css"/> <script src="/modules/stsci-www-assets/assets/js/app-4ce46368bb1e181efb33.js"></script> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-WLHX35S'); </script> <script type="application/json" id="jahia-data-ctx">{"contextPath":"","lang":"en","uilang":"en","siteUuid":"d85e23b0-e23b-4e9c-8429-7026227a8d6c","wcag":false,"ckeCfg":""}</script> <script type="application/json" id="jahia-data-ck">{"path":"/modules/ckeditor/javascript/","lng":"en_US"}</script> <script src="/javascript/initJahiaContext.js"></script> <link id="staticAssetCSS0" rel="stylesheet" href="/generated-resources/a684353ecae85a5cae61707e2ac35c29.min.css" media="screen" type="text/css"/> <script id="staticAssetJavascript0" src="/generated-resources/71a283155742e3c6cc5f0dd5d22ff43.min.js" ></script> <script src="https://www.google.com/recaptcha/api.js?render=6Lf1JKUUAAAAADlRmvbTMzYD_fmo83Av-gytnpXw"></script> <script > $(document).ready(function() { const siteSearchForm = { searchForm: document.getElementById('search-input'), submitHandler: function submitHandler(e) { e.preventDefault(); grecaptcha.ready(function() { grecaptcha.execute('6Lf1JKUUAAAAADlRmvbTMzYD_fmo83Av-gytnpXw', {action: 'searchSubmission'}).then(function(token) { $('#search-input').prepend('<input type="hidden" name="token" value="' + token + '">'); $('#search-input').prepend('<input type="hidden" name="action" value="searchSubmission">'); document.getElementById('search-input').submit(); }); }); }, }; siteSearchForm.searchForm.onsubmit = siteSearchForm.submitHandler; }); </script> <script type="application/json" id="jahia-data-aggregatedjs">{"scripts":["/modules/stsci-www-templates/javascript/jquery.validate.js","/modules/stsci-www-components/javascript/highlight.pack.js"]}</script> </head> <body id="body" data-module-core="offcanvas-nav media-queries focus-links scroll-anchor-links mathjax img-lightbox link-icons touch-detector list-style" data-site-key="www" class="www">  <noscript> <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WLHX35S" height="0" width="0" style="display:none;visibility:hidden"> </iframe> </noscript> <header class="site-header"> <a href="#top-of-page" data-module-dynamic="scroll-to" class="skip-to-main btn">Skip to main content</a> <div class="navbar navbar-default clearfix container-fluid"> <div class="h2"> <div class="svg-sprite -stsci-logo logo"> <div class="logo-container"> <a href="/home" class=" no-file-icon" > <picture class='flex-ratio'> <img alt="STScI: Space Telescope Science Institute" src='/files/live/sites/www/files/home/_images/stsci-logo-small-test.png?t=tn370' sizes='(max-width: 370px) 370px,(max-width: 768px) 768px,(max-width: 992px) 992px,(max-width: 1200px) 1200px,(max-width: 1600px) 1600px,(max-width: 2400px) 2400px, 2400px' srcset='/files/live/sites/www/files/home/_images/stsci-logo-small-test.png?t=tn370 370w,/files/live/sites/www/files/home/_images/stsci-logo-small-test.png?t=tn768 768w,/files/live/sites/www/files/home/_images/stsci-logo-small-test.png?t=tn992 992w,/files/live/sites/www/files/home/_images/stsci-logo-small-test.png?t=tn1200 1200w,/files/live/sites/www/files/home/_images/stsci-logo-small-test.png?t=tn1600 1600w,/files/live/sites/www/files/home/_images/stsci-logo-small-test.png?t=tn2400 2400w ' /></picture></a></div></div> </div> <div class="button-div"> <div class="search-widget clearfix pull-left" data-module-core="search-widget"> <button class="btn navbar-btn search-widget__toggle advanced-search-toggle" aria-expanded="false" aria-label="search"> <span class="svg-sprite -close"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#close"></use> </svg> </span> <span class="svg-sprite -search"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#search"></use> </svg> </span> <span class="hidden-xs" aria-hidden="true">Search</span> </button> <div id="advancedSearch" class="search-widget__panel js-search-panel" style="display:none;"> <div class="search-widget__input-group clearfix"> <form method="post" autocomplete="off" name="searchForm" action="/search-results.searchVerifyRecaptcha.do" id="search-input" class="Form search-widget__form search-widget__search-field dark-background-" > <input type="hidden" name="jcrMethodToCall" value="get" /> <input type="hidden" name="src_originSiteKey" value="www"/> <input type="hidden" id="searchURL" name="searchURL" value="/jwst/science-execution/approved-programs/dd-ers/program-1324.default"/> <label for="searchTerm">Search for news, events, etc.</label> <input name="src_terms[0].term" placeholder="Enter Search Terms" id="searchTerm" type="text" class="form-control" value=""/> <input type="hidden" name="src_terms[0].applyFilter" value="true"/> <input type="hidden" value="true" name="src_terms[0].fields.siteContent"> <input type="hidden" value="true" name="src_terms[0].fields.fileContent"> <input type="hidden" value="true" name="src_terms[0].fields.description"> <input type="hidden" value="true" name="src_terms[0].fields.title"> <input type="hidden" value="true" name="src_terms[0].fields.keywords"> <input type="hidden" value="false" name="src_terms[0].fields.tags"> <div class="exact-phrase" id="exact-phrase"> <p>Do not include words like a, and, for, the, etc.</p> </div> <div class="search-help" > <p><a href="/search-results/advanced-search-syntax">Advanced Query Syntax</a></p> </div> <label class="left" for="searchMethod"> Search Method</label> <input type="hidden" name="src_sites.values" value="www"/><input type="hidden" name="src_sitesForReferences.values" value="systemsite"/> <input name="src_pagePath.value" id="src_pagePath_value" type="hidden" value="/sites/www"/> <input type="hidden" name="src_pagePath.includeChildren" value="true"/> <select name="src_terms[0].match" id="searchMethod" > <option value="all_words" >All These Words</option> <option value="exact_phrase" >This Exact Phrase</option> <option value="any_word" >Any of These Words</option> <option value="as_is" >Advanced</option> </select> <div id="search-documents-criteria"> <label class="left" for="searchNodeType"> Content Type</label> <select id="searchNodeType" name="src_nodeType"> <option value="jnt:page" >Page</option> <option value="stnt:newsFilterable" >News</option> <option value="stmix:searchableNewsletterArticle" >Newsletter Article</option> <option value="stnt:event" >Event</option> <option value="stmix:searchableAnnualReport" >Annual Report</option> <option value="stmix:hstdocs" >HST User Documentation</option> <option value="stmix:jwstdocs" >JWST User Documentation</option> <option value="jnt:file" >File</option> <option value="stmix:searchableContent" >All Searchable Content</option> </select> </div> <div id="searchOrderByContainer"><label class="left" for="searchOrderBy"> Sort By</label> <input id="searchOrderOperand" type="hidden" name="src_orderings[0].operand" value="score"> <select id="searchOrderBy" name="src_orderings[0].propertyName"> <option id="searchOrderByScore" value="score" selected>Relevancy Score</option> <option id="searchOrderByDate" value="jcr:lastModified">Date</option> </select> </div> <div class="divButton"> <input type="submit" name="search" class="btn" value="Submit"/> </div> <div class="recaptcha-branding"> <div>This site is protected by reCAPTCHA and the Google</div> <div><a href="https://policies.google.com/privacy" target="_blank">Privacy Policy</a> and <a href="https://policies.google.com/terms" target="_blank">Terms of Service</a> apply.</div> </div> </form></div> </div> </div><button class="navbar-btn js-nav-btn btn" aria-expanded="false" aria-label="Main Menu" aria-controls="MainMenu"> <span class="svg-sprite -hamburger"> <svg role="img" aria-hidden="true" focusable="false"> <use xlink:href="#hamburger"></use> </svg> </span> <span class="hidden-xs">Menu</span> </button> </div> </div> </header> <nav class="offcanvas is-at-top-level" aria-label="Main Menu" id="MainMenu"> <div class="offcanvas__control-bar"> <button class="navbar-btn js-nav-btn btn pull-right" aria-expanded="false" aria-label="Main Menu" aria-controls="MainMenu" tabindex="-1"> <span>Menu</span> <span class="svg-sprite -close"> <svg role="img" aria-hidden="true" focusable="false"><use xlink:href="#close"></use></svg> </span> </button> </div> <h2 id="h2-sr-only-main-navigation" class="sr-only">Main Navigation</h2> <div class="offcanvas__scroll-wrapper"> <div class="back-to-main"> <a href="/home" tabindex="-1">STScI Home</a> </div> <ul role="list" class="offcanvas__list" data-level="1"><li class="offcanvas__item hasChildren firstInLevel"><a href='/who-we-are' class="offcanvas__section-link" >Who We Are</a><button class="offcanvas__section-toggle" id="Who_We_Are_0_control" type="button" aria-label="Who We Are submenu" aria-controls="Who_We_Are_0_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Who_We_Are_0_section" class="offcanvas__list" data-level="2" aria-labelledby="Who_We_Are_0_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/who-we-are/stsci-annual-reports' class="offcanvas__section-link" >STScI Annual Reports</a></li><li class="offcanvas__item hasChildren"><a href='/who-we-are/our-history' class="offcanvas__section-link" >Our History</a><button class="offcanvas__section-toggle" id="Our_History_1_control" type="button" aria-label="Our History submenu" aria-controls="Our_History_1_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Our_History_1_section" class="offcanvas__list" data-level="3" aria-labelledby="Our_History_1_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/who-we-are/our-history/stsci-timeline' class="offcanvas__section-link" >STScI Timeline</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/who-we-are/leadership/jennifer-m-lotz' class="offcanvas__section-link" >Meet Our Director</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/who-we-are/leadership' class="offcanvas__section-link" >Leadership</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/what-we-do' class="offcanvas__section-link" >What We Do</a></li><li class="offcanvas__item hasChildren"><a href='/hst' class="offcanvas__section-link" >Hubble Space Telescope</a><button class="offcanvas__section-toggle" id="Hubble_Space_Telescope_2_control" type="button" aria-label="Hubble Space Telescope submenu" aria-controls="Hubble_Space_Telescope_2_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Hubble_Space_Telescope_2_section" class="offcanvas__list" data-level="2" aria-labelledby="Hubble_Space_Telescope_2_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/about' class="offcanvas__section-link" >About</a><button class="offcanvas__section-toggle" id="About_3_control" type="button" aria-label="About submenu" aria-controls="About_3_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="About_3_section" class="offcanvas__list" data-level="3" aria-labelledby="About_3_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/about/key-science-themes' class="offcanvas__section-link" >Key Science Themes</a><button class="offcanvas__section-toggle" id="Key_Science_Themes_4_control" type="button" aria-label="Key Science Themes submenu" aria-controls="Key_Science_Themes_4_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Key_Science_Themes_4_section" class="offcanvas__list" data-level="4" aria-labelledby="Key_Science_Themes_4_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/about/key-science-themes/solar-system' class="offcanvas__section-link" >Solar System</a></li><li class="offcanvas__item noChildren"><a href='/hst/about/key-science-themes/exoplanets' class="offcanvas__section-link" >Exoplanets</a></li><li class="offcanvas__item noChildren"><a href='/hst/about/key-science-themes/stars-and-their-environments' class="offcanvas__section-link" >Stars and Their Environments</a></li><li class="offcanvas__item noChildren"><a href='/hst/about/key-science-themes/galaxies' class="offcanvas__section-link" >Galaxies</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/about/key-science-themes/cosmology' class="offcanvas__section-link" >Cosmology</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/about/hst-scorecard' class="offcanvas__section-link" >HST Scorecard</a></li><li class="offcanvas__item noChildren"><a href='https://hubblesite.org/mission-and-telescope/mission-timeline' class="offcanvas__section-link" target='_blank' >History</a></li><li class="offcanvas__item noChildren"><a href='/hst/about/key-individuals' class="offcanvas__section-link" >Key Individuals</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/about/space-telescope-users-committee' class="offcanvas__section-link" >Space Telescope Users Committee</a><button class="offcanvas__section-toggle" id="Space_Telescope_Users_Committee_5_control" type="button" aria-label="Space Telescope Users Committee submenu" aria-controls="Space_Telescope_Users_Committee_5_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Space_Telescope_Users_Committee_5_section" class="offcanvas__list" data-level="4" aria-labelledby="Space_Telescope_Users_Committee_5_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/about/space-telescope-users-committee/membership' class="offcanvas__section-link" >Membership</a></li><li class="offcanvas__item noChildren"><a href='/hst/about/space-telescope-users-committee/committee-reports' class="offcanvas__section-link" >Committee Reports</a></li><li class="offcanvas__item noChildren"><a href='/hst/about/space-telescope-users-committee/presentations-and-documentation' class="offcanvas__section-link" >Presentations and Documentation</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/about/space-telescope-users-committee/hst-repair-contingency-plans' class="offcanvas__section-link" >HST Repair Contingency Plans</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/proposing' class="offcanvas__section-link" >Proposing</a><button class="offcanvas__section-toggle" id="Proposing_6_control" type="button" aria-label="Proposing submenu" aria-controls="Proposing_6_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposing_6_section" class="offcanvas__list" data-level="3" aria-labelledby="Proposing_6_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/proposing/phase-i' class="offcanvas__section-link" >Phase I</a><button class="offcanvas__section-toggle" id="Phase_I_7_control" type="button" aria-label="Phase I submenu" aria-controls="Phase_I_7_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Phase_I_7_section" class="offcanvas__list" data-level="4" aria-labelledby="Phase_I_7_control"><li class="offcanvas__item noChildren firstInLevel"><a href='https://hst-docs.stsci.edu/display/HSP/' class="offcanvas__section-link" target='_blank' >Call for Proposals</a></li><li class="offcanvas__item noChildren"><a href='https://hst-docs.stsci.edu/hsp/hst-cycle-32-director-s-discretionary-time-submission' class="offcanvas__section-link" target='_blank' >Director's Discretionary Time Submission</a></li><li class="offcanvas__item hasChildren"><a href='/hst/proposing/phase-i/proposal-planning-toolbox' class="offcanvas__section-link" >Proposal Planning Toolbox</a><button class="offcanvas__section-toggle" id="Proposal_Planning_Toolbox_8_control" type="button" aria-label="Proposal Planning Toolbox submenu" aria-controls="Proposal_Planning_Toolbox_8_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposal_Planning_Toolbox_8_section" class="offcanvas__list" data-level="5" aria-labelledby="Proposal_Planning_Toolbox_8_control"><li class="offcanvas__item noChildren firstInLevel"><a href='http://etc.stsci.edu/etc/' class="offcanvas__section-link" target='_blank' >Exposure Time Calculator</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/proposing/phase-i/proposal-planning-toolbox/orbital-visibility-and-scheduling' class="offcanvas__section-link" >Orbital Visibility and Scheduling</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/proposing/phase-i/peer-review-information' class="offcanvas__section-link" >Peer Review Information</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/proposing/phase-ii' class="offcanvas__section-link" >Phase II</a><button class="offcanvas__section-toggle" id="Phase_II_9_control" type="button" aria-label="Phase II submenu" aria-controls="Phase_II_9_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Phase_II_9_section" class="offcanvas__list" data-level="4" aria-labelledby="Phase_II_9_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/proposing/phase-ii/phase-ii-proposal-preparation' class="offcanvas__section-link" >Phase II Proposal Preparation</a></li><li class="offcanvas__item noChildren"><a href='https://hst-docs.stsci.edu/display/HPIOM/' class="offcanvas__section-link" target='_blank' >Phase II Proposal Instructions</a></li><li class="offcanvas__item noChildren"><a href='/hst/proposing/phase-ii/visit-size-recommendations' class="offcanvas__section-link" >Visit Size Recommendations</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/proposing/phase-ii/guidelines-and-documents' class="offcanvas__section-link" >Guidelines and Documents</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/proposing/approved-programs' class="offcanvas__section-link" >Approved Programs</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/observing' class="offcanvas__section-link" >Observing</a><button class="offcanvas__section-toggle" id="Observing_10_control" type="button" aria-label="Observing submenu" aria-controls="Observing_10_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Observing_10_section" class="offcanvas__list" data-level="3" aria-labelledby="Observing_10_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/observing/scheduling' class="offcanvas__section-link" >Scheduling</a></li><li class="offcanvas__item noChildren"><a href='/hst/observing/activating-your-target-of-opportunity' class="offcanvas__section-link" >Activating Your Target of Opportunity</a></li><li class="offcanvas__item noChildren"><a href='/hst/observing/observing-status' class="offcanvas__section-link" >Observing Status</a></li><li class="offcanvas__item noChildren"><a href='/hst/observing/program-information' class="offcanvas__section-link" >Program Information</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/observing/post-observation' class="offcanvas__section-link" >Post-Observation</a><button class="offcanvas__section-toggle" id="Post-Observation_11_control" type="button" aria-label="Post-Observation submenu" aria-controls="Post-Observation_11_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Post-Observation_11_section" class="offcanvas__list" data-level="4" aria-labelledby="Post-Observation_11_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/observing/post-observation/data-analysis-toolbox' class="offcanvas__section-link" >Data Analysis Toolbox</a></li><li class="offcanvas__item hasChildren"><a href='/hst/observing/post-observation/exception-reports' class="offcanvas__section-link" >Exception Reports</a><button class="offcanvas__section-toggle" id="Exception_Reports_12_control" type="button" aria-label="Exception Reports submenu" aria-controls="Exception_Reports_12_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Exception_Reports_12_section" class="offcanvas__list" data-level="5" aria-labelledby="Exception_Reports_12_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/observing/post-observation/exception-reports/gs-acq-failed-to-single-guide-star' class="offcanvas__section-link" >GS ACQ Failed to Single Guide Star</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/observing/post-observation/reporting-problems' class="offcanvas__section-link" >Reporting Problems</a></li><li class="offcanvas__item noChildren"><a href='http://archive.stsci.edu/hst/index.html' class="offcanvas__section-link" target='_blank' >Retrieving Data on MAST</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://hla.stsci.edu' class="offcanvas__section-link" target='_blank' >Hubble Legacy Archive</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation' class="offcanvas__section-link" >Instrumentation</a><button class="offcanvas__section-toggle" id="Instrumentation_13_control" type="button" aria-label="Instrumentation submenu" aria-controls="Instrumentation_13_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Instrumentation_13_section" class="offcanvas__list" data-level="3" aria-labelledby="Instrumentation_13_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/instrumentation/acs' class="offcanvas__section-link" >Advanced Camera for Surveys</a><button class="offcanvas__section-toggle" id="Advanced_Camera_for_Surveys_14_control" type="button" aria-label="Advanced Camera for Surveys submenu" aria-controls="Advanced_Camera_for_Surveys_14_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Advanced_Camera_for_Surveys_14_section" class="offcanvas__list" data-level="4" aria-labelledby="Advanced_Camera_for_Surveys_14_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/instrument-design' class="offcanvas__section-link" >Instrument Design</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/performance' class="offcanvas__section-link" >Performance</a><button class="offcanvas__section-toggle" id="Performance_15_control" type="button" aria-label="Performance submenu" aria-controls="Performance_15_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Performance_15_section" class="offcanvas__list" data-level="5" aria-labelledby="Performance_15_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/performance/anneal-dates' class="offcanvas__section-link" >Anneal Dates</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/performance/anomalies-and-artifacts' class="offcanvas__section-link" >Anomalies and Artifacts</a><button class="offcanvas__section-toggle" id="Anomalies_and_Artifacts_16_control" type="button" aria-label="Anomalies and Artifacts submenu" aria-controls="Anomalies_and_Artifacts_16_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Anomalies_and_Artifacts_16_section" class="offcanvas__list" data-level="6" aria-labelledby="Anomalies_and_Artifacts_16_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/performance/anomalies-and-artifacts/dragons-breath-and-edge-glow' class="offcanvas__section-link" >Dragon's Breath and Edge Glow</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/performance/anomalies-and-artifacts/guidestars' class="offcanvas__section-link" >Guidestars</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/performance/cte-information' class="offcanvas__section-link" >CTE Information</a><button class="offcanvas__section-toggle" id="CTE_Information_17_control" type="button" aria-label="CTE Information submenu" aria-controls="CTE_Information_17_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="CTE_Information_17_section" class="offcanvas__list" data-level="6" aria-labelledby="CTE_Information_17_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/acs/performance/cte-information/post-sm4-internal-cte-for-wfc' class="offcanvas__section-link" >Post-SM4 Internal CTE for WFC</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/photometric-cte-corrections' class="offcanvas__section-link" >Photometric CTE Corrections</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/pixel-based-cte-corrections' class="offcanvas__section-link" >Pixel-Based CTE Corrections</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/instrumentation/acs/performance/prism--grism' class="offcanvas__section-link" >Prism / Grism</a><button class="offcanvas__section-toggle" id="Prism_-_Grism_18_control" type="button" aria-label="Prism / Grism submenu" aria-controls="Prism_-_Grism_18_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Prism_-_Grism_18_section" class="offcanvas__list" data-level="6" aria-labelledby="Prism_-_Grism_18_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/performance/prism--grism/acs-axe-downloadable-files' class="offcanvas__section-link" >ACS aXe Downloadable files</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/prism--grism/wfc-g800l' class="offcanvas__section-link" >WFC G800L</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/prism--grism/hrc-g800l' class="offcanvas__section-link" >HRC G800L</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/prism--grism/hrc-pr200l' class="offcanvas__section-link" >HRC PR200L</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/performance/prism--grism/sbc-pr110l-and-pr130l' class="offcanvas__section-link" >SBC PR110L and PR130L</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/proposing' class="offcanvas__section-link" >Proposing</a><button class="offcanvas__section-toggle" id="Proposing_19_control" type="button" aria-label="Proposing submenu" aria-controls="Proposing_19_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposing_19_section" class="offcanvas__list" data-level="5" aria-labelledby="Proposing_19_control"><li class="offcanvas__item noChildren firstInLevel"><a href='http://etc.stsci.edu/etc/' class="offcanvas__section-link" target='_blank' >ACS ETC</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies' class="offcanvas__section-link" >Dither Strategies</a><button class="offcanvas__section-toggle" id="Dither_Strategies_20_control" type="button" aria-label="Dither Strategies submenu" aria-controls="Dither_Strategies_20_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Dither_Strategies_20_section" class="offcanvas__list" data-level="6" aria-labelledby="Dither_Strategies_20_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-dither-line' class="offcanvas__section-link" >ACS-WFC-DITHER-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-dither-box' class="offcanvas__section-link" >ACS-WFC-DITHER-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-mosaic-line' class="offcanvas__section-link" >ACS-WFC-MOSAIC-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-mosaic-box' class="offcanvas__section-link" >ACS-WFC-MOSAIC-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-dither-line' class="offcanvas__section-link" >ACS-HRC-DITHER-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-dither-box' class="offcanvas__section-link" >ACS-HRC-DITHER-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-mosaic-line' class="offcanvas__section-link" >ACS-HRC-MOSAIC-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-mosaic-box' class="offcanvas__section-link" >ACS-HRC-MOSAIC-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-dither-line' class="offcanvas__section-link" >ACS-SBC-DITHER-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-dither-box' class="offcanvas__section-link" >ACS-SBC-DITHER-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-mosaic-line' class="offcanvas__section-link" >ACS-SBC-MOSAIC-LINE</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-mosaic-box' class="offcanvas__section-link" >ACS-SBC-MOSAIC-BOX</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/proposing/exception-report-instructions' class="offcanvas__section-link" >Exception Report Instructions</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/data-analysis' class="offcanvas__section-link" >Data Analysis</a><button class="offcanvas__section-toggle" id="Data_Analysis_21_control" type="button" aria-label="Data Analysis submenu" aria-controls="Data_Analysis_21_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Data_Analysis_21_section" class="offcanvas__list" data-level="5" aria-labelledby="Data_Analysis_21_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/data-analysis/aperture-corrections' class="offcanvas__section-link" >Aperture Corrections</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/distortion' class="offcanvas__section-link" >Distortion</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/dq-flag-definitions' class="offcanvas__section-link" >DQ Flag Definitions</a></li><li class="offcanvas__item noChildren"><a href='http://drizzlepac.stsci.edu/' class="offcanvas__section-link" target='_blank' >DrizzlePac</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/pixel-area-maps' class="offcanvas__section-link" >Pixel Area Maps</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/system-throughputs' class="offcanvas__section-link" >System Throughputs</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/zeropoints' class="offcanvas__section-link" >Zeropoints</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/data-analysis/photometric-transformations' class="offcanvas__section-link" >Photometric Transformations</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/calibration' class="offcanvas__section-link" >Calibration</a><button class="offcanvas__section-toggle" id="Calibration_22_control" type="button" aria-label="Calibration submenu" aria-controls="Calibration_22_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Calibration_22_section" class="offcanvas__list" data-level="5" aria-labelledby="Calibration_22_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/calibration/calibration-plans' class="offcanvas__section-link" >Calibration Plans</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools' class="offcanvas__section-link" target='_self' >Reference Files</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/software-tools' class="offcanvas__section-link" >Software Tools</a><button class="offcanvas__section-toggle" id="Software_Tools_23_control" type="button" aria-label="Software Tools submenu" aria-controls="Software_Tools_23_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Software_Tools_23_section" class="offcanvas__list" data-level="5" aria-labelledby="Software_Tools_23_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/software-tools/analysis-tools' class="offcanvas__section-link" >Analysis Tools</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/software-tools/calibration-tools' class="offcanvas__section-link" >Calibration Tools</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='http://drizzlepac.readthedocs.io/en/deployment/index.html' class="offcanvas__section-link" target='_blank' >DrizzlePac</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/documentation' class="offcanvas__section-link" >Documentation</a><button class="offcanvas__section-toggle" id="Documentation_24_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_24_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_24_section" class="offcanvas__list" data-level="5" aria-labelledby="Documentation_24_control"><li class="offcanvas__item noChildren firstInLevel"><a href='https://hst-docs.stsci.edu/acsihb' class="offcanvas__section-link" target='_blank' >ACS Instrument Handbook</a></li><li class="offcanvas__item noChildren"><a href='https://hst-docs.stsci.edu/acsdhb' class="offcanvas__section-link" target='_blank' >ACS Data Handbook</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/documentation/instrument-science-reports-isrs' class="offcanvas__section-link" >Instrument Science Reports (ISRs)</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/documentation/stsci-analysis-newsletter-stan' class="offcanvas__section-link" >STScI Analysis Newsletter (STAN)</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/documentation/conference-posters' class="offcanvas__section-link" >Conference Posters</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/shortcuts' class="offcanvas__section-link" >Shortcuts</a><button class="offcanvas__section-toggle" id="Shortcuts_25_control" type="button" aria-label="Shortcuts submenu" aria-controls="Shortcuts_25_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Shortcuts_25_section" class="offcanvas__list" data-level="5" aria-labelledby="Shortcuts_25_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/documentation/instrument-science-reports-isrs' class="offcanvas__section-link" target='_parent' >ACS ISRs</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/documentation/stsci-analysis-newsletter-stan' class="offcanvas__section-link" target='_parent' >ACS STANs</a></li><li class="offcanvas__item noChildren"><a href='http://etc.stsci.edu/etc/input/acs/imaging/' class="offcanvas__section-link" target='_blank' >ACS Imaging ETC</a></li><li class="offcanvas__item noChildren"><a href='http://etc.stsci.edu/etc/input/acs/spectroscopic/' class="offcanvas__section-link" target='_blank' >ACS Spectroscopic ETC</a></li><li class="offcanvas__item noChildren"><a href='http://etc.stsci.edu/etc/input/acs/rampfilter/' class="offcanvas__section-link" target='_blank' >ACS Ramp Filter ETC</a></li><li class="offcanvas__item noChildren"><a href='/hst/proposing' class="offcanvas__section-link" target='_self' >HST Proposing</a></li><li class="offcanvas__item noChildren"><a href='/hst/proposing/phase-i' class="offcanvas__section-link" target='_blank' >Phase I Proposals</a></li><li class="offcanvas__item noChildren"><a href='/hst/proposing/phase-ii' class="offcanvas__section-link" target='_self' >Phase II Proposal</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://hst-docs.stsci.edu/display/HSP/The+Hubble+Space+Telescope+Primer+for+Cycle+32' class="offcanvas__section-link" target='_blank' >HST Cycle 32 Primer</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/cos' class="offcanvas__section-link" >Cosmic Origins Spectrograph</a><button class="offcanvas__section-toggle" id="Cosmic_Origins_Spectrograph_26_control" type="button" aria-label="Cosmic Origins Spectrograph submenu" aria-controls="Cosmic_Origins_Spectrograph_26_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Cosmic_Origins_Spectrograph_26_section" class="offcanvas__list" data-level="4" aria-labelledby="Cosmic_Origins_Spectrograph_26_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/cos/instrument-design' class="offcanvas__section-link" >Instrument Design</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/cos/performance' class="offcanvas__section-link" >Performance</a><button class="offcanvas__section-toggle" id="Performance_27_control" type="button" aria-label="Performance submenu" aria-controls="Performance_27_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Performance_27_section" class="offcanvas__list" data-level="5" aria-labelledby="Performance_27_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/cos/performance/monitoring' class="offcanvas__section-link" >Monitoring</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/performance/sensitivity' class="offcanvas__section-link" >Sensitivity</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/cos/performance/spectral-resolution' class="offcanvas__section-link" >Spectral Resolution and Line Spread Functions</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/cos/proposing' class="offcanvas__section-link" >Proposing</a><button class="offcanvas__section-toggle" id="Proposing_28_control" type="button" aria-label="Proposing submenu" aria-controls="Proposing_28_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposing_28_section" class="offcanvas__list" data-level="5" aria-labelledby="Proposing_28_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/cos/proposing/cos2025-policies' class="offcanvas__section-link" >COS2025 Policies</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/proposing/observing-strategies' class="offcanvas__section-link" >Observing Strategies</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/cos/proposing/wavelength-tool' class="offcanvas__section-link" >Wavelength Tool</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/data-analysis--software-tools' class="offcanvas__section-link" >Data Analysis & Software Tools</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/cos/calibration' class="offcanvas__section-link" >Calibration</a><button class="offcanvas__section-toggle" id="Calibration_29_control" type="button" aria-label="Calibration submenu" aria-controls="Calibration_29_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Calibration_29_section" class="offcanvas__list" data-level="5" aria-labelledby="Calibration_29_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/cos/calibration/airglow' class="offcanvas__section-link" >Airglow</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-31-calibration-plan' class="offcanvas__section-link" >Cycle 31 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-30-calibration-plan' class="offcanvas__section-link" >Cycle 30 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-29-calibration-plan' class="offcanvas__section-link" >Cycle 29 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-28-calibration-plan' class="offcanvas__section-link" >Cycle 28 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-27-calibration-plan' class="offcanvas__section-link" >Cycle 27 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-26-calibration-plan' class="offcanvas__section-link" >Cycle 26 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-25-calibration-plan' class="offcanvas__section-link" >Cycle 25 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-24-calibration-plan' class="offcanvas__section-link" >Cycle 24 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-23-calibration-plan' class="offcanvas__section-link" >Cycle 23 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-22-calibration-plan' class="offcanvas__section-link" >Cycle 22 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-21-calibration-plan' class="offcanvas__section-link" >Cycle 21 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-20-calibration-plan' class="offcanvas__section-link" >Cycle 20 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-19-calibration-plan' class="offcanvas__section-link" >Cycle 19 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-18-calibration-plan' class="offcanvas__section-link" >Cycle 18 Calibration Plan</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/cos/calibration/cycle-17-calibration-plan' class="offcanvas__section-link" >Cycle 17 Calibration Plan</a></li></ul></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/instrumentation/cos/documentation' class="offcanvas__section-link" >Documentation</a><button class="offcanvas__section-toggle" id="Documentation_30_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_30_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_30_section" class="offcanvas__list" data-level="5" aria-labelledby="Documentation_30_control"><li class="offcanvas__item noChildren firstInLevel"><a href='https://hst-docs.stsci.edu/display/COSIHB' class="offcanvas__section-link" target='_blank' >COS Instrument Handbook</a></li><li class="offcanvas__item noChildren"><a href='https://hst-docs.stsci.edu/display/COSDHB' class="offcanvas__section-link" target='_blank' >COS Data Handbook</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/documentation/instrument-science-reports-isrs' class="offcanvas__section-link" >Instrument Science Reports (ISRs)</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/documentation/stsci-analysis-newsletter-stan' class="offcanvas__section-link" >STScI Analysis Newsletter (STAN)</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/documentation/exception-report-instructions' class="offcanvas__section-link" >Exception Report Instructions</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/documentation/conference-posters' class="offcanvas__section-link" >Conference Posters</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/documentation/calcos-release-notes' class="offcanvas__section-link" >CalCOS Release Notes</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/cos/documentation/notebooks' class="offcanvas__section-link" >Notebooks</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/fgs' class="offcanvas__section-link" >Fine Guidance Sensors</a><button class="offcanvas__section-toggle" id="Fine_Guidance_Sensors_31_control" type="button" aria-label="Fine Guidance Sensors submenu" aria-controls="Fine_Guidance_Sensors_31_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Fine_Guidance_Sensors_31_section" class="offcanvas__list" data-level="4" aria-labelledby="Fine_Guidance_Sensors_31_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/fgs/history' class="offcanvas__section-link" >History</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/fgs/instrument-design' class="offcanvas__section-link" >Instrument Design</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/fgs/performance' class="offcanvas__section-link" >Performance</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/fgs/proposing' class="offcanvas__section-link" >Proposing</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/fgs/data-analysis' class="offcanvas__section-link" >Data Analysis</a><button class="offcanvas__section-toggle" id="Data_Analysis_32_control" type="button" aria-label="Data Analysis submenu" aria-controls="Data_Analysis_32_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Data_Analysis_32_section" class="offcanvas__list" data-level="5" aria-labelledby="Data_Analysis_32_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/fgs/data-analysis/software-tools' class="offcanvas__section-link" >Software Tools</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/fgs/documentation' class="offcanvas__section-link" >Documentation</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/stis' class="offcanvas__section-link" >Space Telescope Imaging Spectrograph</a><button class="offcanvas__section-toggle" id="Space_Telescope_Imaging_Spectrograph_33_control" type="button" aria-label="Space Telescope Imaging Spectrograph submenu" aria-controls="Space_Telescope_Imaging_Spectrograph_33_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Space_Telescope_Imaging_Spectrograph_33_section" class="offcanvas__list" data-level="4" aria-labelledby="Space_Telescope_Imaging_Spectrograph_33_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/instrumentation/stis/instrument-design' class="offcanvas__section-link" >Instrument Design</a><button class="offcanvas__section-toggle" id="Instrument_Design_34_control" type="button" aria-label="Instrument Design submenu" aria-controls="Instrument_Design_34_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Instrument_Design_34_section" class="offcanvas__list" data-level="5" aria-labelledby="Instrument_Design_34_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/stis/instrument-design/apertures' class="offcanvas__section-link" >Apertures</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/instrument-design/detectors' class="offcanvas__section-link" >Detectors</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/instrument-design/filters' class="offcanvas__section-link" >Filters</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/instrumentation/stis/instrument-design/gratings--prism' class="offcanvas__section-link" >Gratings / Prism</a><button class="offcanvas__section-toggle" id="Gratings_-_Prism_35_control" type="button" aria-label="Gratings / Prism submenu" aria-controls="Gratings_-_Prism_35_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Gratings_-_Prism_35_section" class="offcanvas__list" data-level="6" aria-labelledby="Gratings_-_Prism_35_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/stis/instrument-design/gratings--prism/spectral-format-plots' class="offcanvas__section-link" >Spectral Format Plots</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/stis/performance' class="offcanvas__section-link" >Performance</a><button class="offcanvas__section-toggle" id="Performance_36_control" type="button" aria-label="Performance submenu" aria-controls="Performance_36_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Performance_36_section" class="offcanvas__list" data-level="5" aria-labelledby="Performance_36_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/stis/performance/anomalies' class="offcanvas__section-link" >Anomalies</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/performance/image-quality' class="offcanvas__section-link" >Image Quality</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/performance/monitoring' class="offcanvas__section-link" >Monitoring</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/performance/sensitivity' class="offcanvas__section-link" >Sensitivity</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/performance/spectral-resolution' class="offcanvas__section-link" >Spectral Resolution</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/performance/throughput' class="offcanvas__section-link" >Throughput</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/stis/performance/background-noise' class="offcanvas__section-link" >Background Noise</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/stis/proposing' class="offcanvas__section-link" >Proposing</a><button class="offcanvas__section-toggle" id="Proposing_37_control" type="button" aria-label="Proposing submenu" aria-controls="Proposing_37_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposing_37_section" class="offcanvas__list" data-level="5" aria-labelledby="Proposing_37_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/stis/proposing/go-wavecal-aperture-selection' class="offcanvas__section-link" >GO Wavecal Aperture Selection</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/stis/proposing/exception-reports' class="offcanvas__section-link" >Exception Reports</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/stis/observing-strategies' class="offcanvas__section-link" >Observing Strategies</a><button class="offcanvas__section-toggle" id="Observing_Strategies_38_control" type="button" aria-label="Observing Strategies submenu" aria-controls="Observing_Strategies_38_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Observing_Strategies_38_section" class="offcanvas__list" data-level="5" aria-labelledby="Observing_Strategies_38_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/stis/observing-strategies/target-acquisition' class="offcanvas__section-link" >Target Acquisition</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/observing-strategies/spectroscopy' class="offcanvas__section-link" >Spectroscopy</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/observing-strategies/imaging' class="offcanvas__section-link" >Imaging</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/instrumentation/stis/observing-strategies/available-modes' class="offcanvas__section-link" >Available Modes</a><button class="offcanvas__section-toggle" id="Available_Modes_39_control" type="button" aria-label="Available Modes submenu" aria-controls="Available_Modes_39_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Available_Modes_39_section" class="offcanvas__list" data-level="6" aria-labelledby="Available_Modes_39_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/stis/observing-strategies/available-modes/high-contrast-coronagraphy-at-small-inner-working-angles-with-bar5' class="offcanvas__section-link" >High Contrast Coronagraphy at Small Inner Working Angles with BAR5</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/stis/observing-strategies/available-modes/stis-bar5' class="offcanvas__section-link" >STIS BAR5</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/stis/data-analysis-and-software-tools' class="offcanvas__section-link" >Data Analysis and Software Tools</a><button class="offcanvas__section-toggle" id="Data_Analysis_and_Software_Tools_40_control" type="button" aria-label="Data Analysis and Software Tools submenu" aria-controls="Data_Analysis_and_Software_Tools_40_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Data_Analysis_and_Software_Tools_40_section" class="offcanvas__list" data-level="5" aria-labelledby="Data_Analysis_and_Software_Tools_40_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/stis/data-analysis-and-software-tools/pixel-based-cti' class="offcanvas__section-link" >Pixel Based CTI</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/calibration' class="offcanvas__section-link" >Calibration</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/stis/documentation' class="offcanvas__section-link" >Documentation</a><button class="offcanvas__section-toggle" id="Documentation_41_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_41_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_41_section" class="offcanvas__list" data-level="5" aria-labelledby="Documentation_41_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/stis/documentation/instrument-science-reports' class="offcanvas__section-link" >Instrument Science Reports</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/stis/documentation/stsci-analysis-newsletter-stan' class="offcanvas__section-link" >STScI Analysis Newsletter (STAN)</a></li><li class="offcanvas__item noChildren"><a href='https://hst-docs.stsci.edu/stisihb' class="offcanvas__section-link" target='_blank' >STIS Instrument Handbook</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://hst-docs.stsci.edu/stisdhb' class="offcanvas__section-link" target='_blank' >STIS Data Handbook</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/stis/flux-recalibration' class="offcanvas__section-link" >Flux Recalibration</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3' class="offcanvas__section-link" >Wide Field Camera 3</a><button class="offcanvas__section-toggle" id="Wide_Field_Camera_3_42_control" type="button" aria-label="Wide Field Camera 3 submenu" aria-controls="Wide_Field_Camera_3_42_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Wide_Field_Camera_3_42_section" class="offcanvas__list" data-level="4" aria-labelledby="Wide_Field_Camera_3_42_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/instrument-design' class="offcanvas__section-link" >Instrument Design</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/performance' class="offcanvas__section-link" >Performance</a><button class="offcanvas__section-toggle" id="Performance_43_control" type="button" aria-label="Performance submenu" aria-controls="Performance_43_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Performance_43_section" class="offcanvas__list" data-level="5" aria-labelledby="Performance_43_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/performance/usage-statistics' class="offcanvas__section-link" >Usage Statistics</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/performance/anomalies' class="offcanvas__section-link" >Anomalies</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/performance/cte' class="offcanvas__section-link" >CTE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/performance/ground-testing' class="offcanvas__section-link" >Ground Testing</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/performance/monitoring' class="offcanvas__section-link" >Monitoring</a><button class="offcanvas__section-toggle" id="Monitoring_44_control" type="button" aria-label="Monitoring submenu" aria-controls="Monitoring_44_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Monitoring_44_section" class="offcanvas__list" data-level="6" aria-labelledby="Monitoring_44_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/performance/monitoring/complete-anneal-history' class="offcanvas__section-link" >Complete Anneal History</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/performance/throughputs' class="offcanvas__section-link" >Throughputs</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/performance/cal-subsystem' class="offcanvas__section-link" >Cal Subsystem</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/proposing' class="offcanvas__section-link" >Proposing</a><button class="offcanvas__section-toggle" id="Proposing_45_control" type="button" aria-label="Proposing submenu" aria-controls="Proposing_45_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposing_45_section" class="offcanvas__list" data-level="5" aria-labelledby="Proposing_45_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/proposing/dithering-strategies' class="offcanvas__section-link" >Dithering Strategies</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/proposing/exception-reports' class="offcanvas__section-link" >Exception Reports</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis' class="offcanvas__section-link" >Data Analysis</a><button class="offcanvas__section-toggle" id="Data_Analysis_46_control" type="button" aria-label="Data Analysis submenu" aria-controls="Data_Analysis_46_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Data_Analysis_46_section" class="offcanvas__list" data-level="5" aria-labelledby="Data_Analysis_46_control"><li class="offcanvas__item noChildren firstInLevel"><a href='https://github.com/spacetelescope/WFC3Library/tree/master/notebooks/filter_transformations' class="offcanvas__section-link" target='_blank' >Color Conversion Notebook</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/full-well-depth' class="offcanvas__section-link" >Full Well Depth</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources' class="offcanvas__section-link" >Grism Spectroscopy</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/ir-flats' class="offcanvas__section-link" >IR Flats</a><button class="offcanvas__section-toggle" id="IR_Flats_47_control" type="button" aria-label="IR Flats submenu" aria-controls="IR_Flats_47_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="IR_Flats_47_section" class="offcanvas__list" data-level="6" aria-labelledby="IR_Flats_47_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/ir-flats/blob-delta-flats-from-earth-flat-calibration-images' class="offcanvas__section-link" >Blob Delta-flats from Earth Flat Calibration Images</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/ir-persistence' class="offcanvas__section-link" >IR Persistence</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration' class="offcanvas__section-link" >Photometric Calibration</a><button class="offcanvas__section-toggle" id="Photometric_Calibration_48_control" type="button" aria-label="Photometric Calibration submenu" aria-controls="Photometric_Calibration_48_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Photometric_Calibration_48_section" class="offcanvas__list" data-level="6" aria-labelledby="Photometric_Calibration_48_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration' class="offcanvas__section-link" >UVIS Photometric Calibration</a><button class="offcanvas__section-toggle" id="UVIS_Photometric_Calibration_49_control" type="button" aria-label="UVIS Photometric Calibration submenu" aria-controls="UVIS_Photometric_Calibration_49_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="UVIS_Photometric_Calibration_49_section" class="offcanvas__list" data-level="7" aria-labelledby="UVIS_Photometric_Calibration_49_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration/quad-filter-photometry' class="offcanvas__section-link" >Quad Filter Photometry</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration/uv-filter-modified-keywords' class="offcanvas__section-link" >UV Filter Modified Keywords</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration/previous-uvis-photometric-calibrations' class="offcanvas__section-link" >Previous UVIS Photometric Calibrations</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-encircled-energy' class="offcanvas__section-link" >UVIS Encircled Energy</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/ir-photometric-calibration' class="offcanvas__section-link" >IR Photometric Calibration</a><button class="offcanvas__section-toggle" id="IR_Photometric_Calibration_50_control" type="button" aria-label="IR Photometric Calibration submenu" aria-controls="IR_Photometric_Calibration_50_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="IR_Photometric_Calibration_50_section" class="offcanvas__list" data-level="7" aria-labelledby="IR_Photometric_Calibration_50_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/ir-photometric-calibration/previous-ir-photometric-calibrations' class="offcanvas__section-link" >Previous IR Photometric Calibrations</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/ir-encircled-energy' class="offcanvas__section-link" >IR Encircled Energy</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/pixel-area-maps' class="offcanvas__section-link" >Pixel Area Maps</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/psf' class="offcanvas__section-link" >PSF</a><button class="offcanvas__section-toggle" id="PSF_51_control" type="button" aria-label="PSF submenu" aria-controls="PSF_51_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="PSF_51_section" class="offcanvas__list" data-level="6" aria-labelledby="PSF_51_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/psf/psf-search' class="offcanvas__section-link" >PSF Search</a></li></ul></li><li class="offcanvas__item noChildren"><a href='http://archive.stsci.edu/hst/index.html' class="offcanvas__section-link" target='_blank' >Retrieving Data</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/should-i-recalibrate' class="offcanvas__section-link" >Should I Recalibrate?</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/uvis-flats' class="offcanvas__section-link" >UVIS Flats</a></li><li class="offcanvas__item noChildren"><a href='/hst/observing/post-observation' class="offcanvas__section-link" >Post-Observation</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/uvis-and-ir-distortion-calibration' class="offcanvas__section-link" >UVIS and IR Distortion Calibration</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/calibration-plan' class="offcanvas__section-link" >Calibration Plan</a><button class="offcanvas__section-toggle" id="Calibration_Plan_52_control" type="button" aria-label="Calibration Plan submenu" aria-controls="Calibration_Plan_52_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Calibration_Plan_52_section" class="offcanvas__list" data-level="5" aria-labelledby="Calibration_Plan_52_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/calibration-plan/tv3-results' class="offcanvas__section-link" >TV3 Results</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/calibration-plan/tv2-results' class="offcanvas__section-link" >TV2 Results</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/calibration-plan/tv1-results' class="offcanvas__section-link" >TV1 Results</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/calibration-plan/old-versions' class="offcanvas__section-link" >Old Versions</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/software-tools' class="offcanvas__section-link" >Software Tools</a><button class="offcanvas__section-toggle" id="Software_Tools_53_control" type="button" aria-label="Software Tools submenu" aria-controls="Software_Tools_53_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Software_Tools_53_section" class="offcanvas__list" data-level="5" aria-labelledby="Software_Tools_53_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/software-tools/crosstalk' class="offcanvas__section-link" >Crosstalk</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/software-tools/cte-tools' class="offcanvas__section-link" >CTE Tools</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/software-tools/exposure-time-calculators' class="offcanvas__section-link" >Exposure Time Calculators</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/software-tools/pipeline' class="offcanvas__section-link" >Pipeline</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/documentation' class="offcanvas__section-link" >Documentation</a><button class="offcanvas__section-toggle" id="Documentation_54_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_54_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_54_section" class="offcanvas__list" data-level="5" aria-labelledby="Documentation_54_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/documentation/instrument-science-reports-isrs' class="offcanvas__section-link" >Instrument Science Reports (ISRs)</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/stsci-analysis-newsletter-stan' class="offcanvas__section-link" >STScI Analysis Newsletter (STAN)</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources' class="offcanvas__section-link" >Grism Resources</a><button class="offcanvas__section-toggle" id="Grism_Resources_55_control" type="button" aria-label="Grism Resources submenu" aria-controls="Grism_Resources_55_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Grism_Resources_55_section" class="offcanvas__list" data-level="6" aria-labelledby="Grism_Resources_55_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/grism-data-analysis' class="offcanvas__section-link" >Grism Data Analysis</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-ir-grism-data-reduction-cookbook' class="offcanvas__section-link" >WFC3 IR Grism Data Reduction Cookbook</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/grism-frequently-asked-questions' class="offcanvas__section-link" >Grism Frequently Asked Questions</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/ir-grism-sky-images' class="offcanvas__section-link" >IR Grism Sky Images</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-g141-calibrations' class="offcanvas__section-link" >WFC3 G141 Calibrations</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-g280-calibrations' class="offcanvas__section-link" >WFC3 G280 Calibrations</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-g102-calibrations' class="offcanvas__section-link" >WFC3 G102 Calibrations</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/uvis-grism-sky-images' class="offcanvas__section-link" >UVIS Grism Sky Images</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/documentation/conference-posters' class="offcanvas__section-link" >Conference Posters</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/news' class="offcanvas__section-link" >News</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/focus-and-pointing' class="offcanvas__section-link" >Focus and Pointing</a><button class="offcanvas__section-toggle" id="Focus_and_Pointing_56_control" type="button" aria-label="Focus and Pointing submenu" aria-controls="Focus_and_Pointing_56_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Focus_and_Pointing_56_section" class="offcanvas__list" data-level="4" aria-labelledby="Focus_and_Pointing_56_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/instrumentation/focus-and-pointing/focus' class="offcanvas__section-link" >Focus</a><button class="offcanvas__section-toggle" id="Focus_57_control" type="button" aria-label="Focus submenu" aria-controls="Focus_57_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Focus_57_section" class="offcanvas__list" data-level="5" aria-labelledby="Focus_57_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/focus-and-pointing/focus/secondary-mirror-moves' class="offcanvas__section-link" >Secondary Mirror Moves</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/focus-and-pointing/focus/hst-focus-model' class="offcanvas__section-link" >HST Focus Model</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/focus-and-pointing/focus/tiny-tim-hst-psf-modeling' class="offcanvas__section-link" >Tiny Tim HST PSF Modeling</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/focus-and-pointing/pointing' class="offcanvas__section-link" >Pointing</a><button class="offcanvas__section-toggle" id="Pointing_58_control" type="button" aria-label="Pointing submenu" aria-controls="Pointing_58_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Pointing_58_section" class="offcanvas__list" data-level="5" aria-labelledby="Pointing_58_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/focus-and-pointing/pointing/jitter-file-format-definition' class="offcanvas__section-link" >Jitter File Format Definition</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/focus-and-pointing/pointing/determining-an-observations-orientation' class="offcanvas__section-link" >Determining an Observation鈥檚 Orientation</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/focus-and-pointing/fov-geometry' class="offcanvas__section-link" >FoV Geometry</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/focus-and-pointing/documentation' class="offcanvas__section-link" >Documentation</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/legacy' class="offcanvas__section-link" >Legacy Instruments</a><button class="offcanvas__section-toggle" id="Legacy_Instruments_59_control" type="button" aria-label="Legacy Instruments submenu" aria-controls="Legacy_Instruments_59_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Legacy_Instruments_59_section" class="offcanvas__list" data-level="4" aria-labelledby="Legacy_Instruments_59_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/instrumentation/legacy/nicmos' class="offcanvas__section-link" >NICMOS</a><button class="offcanvas__section-toggle" id="NICMOS_60_control" type="button" aria-label="NICMOS submenu" aria-controls="NICMOS_60_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="NICMOS_60_section" class="offcanvas__list" data-level="5" aria-labelledby="NICMOS_60_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/legacy/nicmos/instrument-science-reports-isrs' class="offcanvas__section-link" >Instrument Science Reports (ISRs)</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/legacy/wfpc2' class="offcanvas__section-link" >WFPC2</a><button class="offcanvas__section-toggle" id="WFPC2_61_control" type="button" aria-label="WFPC2 submenu" aria-controls="WFPC2_61_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="WFPC2_61_section" class="offcanvas__list" data-level="5" aria-labelledby="WFPC2_61_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/legacy/wfpc2/instrument-science-reports-isrs' class="offcanvas__section-link" >Instrument Science Reports (ISRs)</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools' class="offcanvas__section-link" >Reference Data for Calibration and Tools</a><button class="offcanvas__section-toggle" id="Reference_Data_for_Calibration_and_Tools_62_control" type="button" aria-label="Reference Data for Calibration and Tools submenu" aria-controls="Reference_Data_for_Calibration_and_Tools_62_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Reference_Data_for_Calibration_and_Tools_62_section" class="offcanvas__list" data-level="4" aria-labelledby="Reference_Data_for_Calibration_and_Tools_62_control"><li class="offcanvas__item noChildren firstInLevel"><a href='https://hst-crds.stsci.edu/' class="offcanvas__section-link" target='_blank' >Calibration Reference Data System (CRDS)</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/file-and-table-structures' class="offcanvas__section-link" >File and Table Structures</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/reference-file-retreival-instructions' class="offcanvas__section-link" >Reference File Retrieval Instructions</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/legacy-instrument-reference-files' class="offcanvas__section-link" >Legacy Instrument Reference Files</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/synphot-throughput-tables' class="offcanvas__section-link" >Synphot Throughput Tables</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs' class="offcanvas__section-link" >Astronomical Catalogs</a><button class="offcanvas__section-toggle" id="Astronomical_Catalogs_63_control" type="button" aria-label="Astronomical Catalogs submenu" aria-controls="Astronomical_Catalogs_63_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Astronomical_Catalogs_63_section" class="offcanvas__list" data-level="5" aria-labelledby="Astronomical_Catalogs_63_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-agn-atlas' class="offcanvas__section-link" >The AGN Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/atmo-2020-atmosphere-models' class="offcanvas__section-link" >ATMO 2020 Atmosphere Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/brown-dwarfs-and-substellar-objects' class="offcanvas__section-link" >Brown Dwarfs and Substellar Objects</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/bruzual-atlas' class="offcanvas__section-link" >Bruzual Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-bruzual-charlot-atlas' class="offcanvas__section-link" >The Bruzual-Charlot Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/bruzual-and-charlot-2003' class="offcanvas__section-link" >Bruzual and Charlot 2003</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/bruzual-persson-gunn-stryker-atlas-list' class="offcanvas__section-link" >Bruzual-Persson-Gunn-Stryker Atlas list</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/buser-kurucz-atlas' class="offcanvas__section-link" >Buser-Kurucz Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calobs' class="offcanvas__section-link" >CALOBS</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec' class="offcanvas__section-link" >CALSPEC</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/castelli-and-kurucz-atlas' class="offcanvas__section-link" >Castelli and Kurucz Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/composite-qso-spectra-for-nir' class="offcanvas__section-link" >Composite QSO Spectra for NIR</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-galactic-emission-line-object-atlas' class="offcanvas__section-link" >The Galactic Emission Line Object Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/gunn-stryker-atlas-list' class="offcanvas__section-link" >Gunn-Stryker Atlas list</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/interstellar-extinction-curves' class="offcanvas__section-link" >Interstellar Extinction Curves</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/jacoby-hunter-christian-atlas' class="offcanvas__section-link" >Jacoby-Hunter-Christian Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-kinney-calzetti-spetral-atlas' class="offcanvas__section-link" >The Kinney-Calzetti Spectral Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/kinney-models' class="offcanvas__section-link" >Kinney Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/kurucz-1993-models' class="offcanvas__section-link" >Kurucz 1993 Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/non-stellar-spectra' class="offcanvas__section-link" >Non-Stellar Spectra</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/novae-models' class="offcanvas__section-link" >Novae Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/phoenix-models-available-in-synphot' class="offcanvas__section-link" >Phoenix Models available in Synphot</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/planetary-nebula-spectra' class="offcanvas__section-link" >Planetary Nebula Spectra</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/pickles-atlas' class="offcanvas__section-link" >Pickles Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/simple-stellar-population-atlas' class="offcanvas__section-link" >Simple Stellar Population Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/solar-system-objects-spectra' class="offcanvas__section-link" >Solar System Objects Spectra</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/swire-galaxies' class="offcanvas__section-link" >SWIRE Galaxies</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-trds-brown-atlas' class="offcanvas__section-link" >The TRDS Brown Atlas</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/trds-brown19-spectra-of-agns' class="offcanvas__section-link" >TRDS Brown19 Spectra of AGNs</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/modewave-data' class="offcanvas__section-link" >Modewave Data</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/documentation' class="offcanvas__section-link" >Documentation</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/documentation' class="offcanvas__section-link" >Documentation</a><button class="offcanvas__section-toggle" id="Documentation_64_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_64_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_64_section" class="offcanvas__list" data-level="3" aria-labelledby="Documentation_64_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/documentation/handbook-archive' class="offcanvas__section-link" >Handbook Archive</a></li></ul></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/news-and-events' class="offcanvas__section-link" >News & Events</a><button class="offcanvas__section-toggle" id="News_and_Events_65_control" type="button" aria-label="News and Events submenu" aria-controls="News_and_Events_65_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="News_and_Events_65_section" class="offcanvas__list" data-level="3" aria-labelledby="News_and_Events_65_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/news-and-events/news' class="offcanvas__section-link" >News</a></li><li class="offcanvas__item noChildren"><a href='/hst/news-and-events/articles' class="offcanvas__section-link" >Articles</a></li><li class="offcanvas__item noChildren"><a href='/events' class="offcanvas__section-link" >Events</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://hubblesite.org/news/news-releases' class="offcanvas__section-link" target='_blank' >Press</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren inPath"><a href='/jwst' class="offcanvas__section-link" >James Webb Space Telescope</a><button class="offcanvas__section-toggle" id="James_Webb_Space_Telescope_66_control" type="button" aria-label="James Webb Space Telescope submenu" aria-controls="James_Webb_Space_Telescope_66_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="James_Webb_Space_Telescope_66_section" class="offcanvas__list" data-level="2" aria-labelledby="James_Webb_Space_Telescope_66_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/jwst/about-jwst' class="offcanvas__section-link" >About JWST</a><button class="offcanvas__section-toggle" id="About_JWST_67_control" type="button" aria-label="About JWST submenu" aria-controls="About_JWST_67_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="About_JWST_67_section" class="offcanvas__list" data-level="3" aria-labelledby="About_JWST_67_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/jwst/about-jwst/history' class="offcanvas__section-link" >History</a><button class="offcanvas__section-toggle" id="History_68_control" type="button" aria-label="History submenu" aria-controls="History_68_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="History_68_section" class="offcanvas__list" data-level="4" aria-labelledby="History_68_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/about-jwst/history/historical-sensitivity-estimates' class="offcanvas__section-link" >Historical Sensitivity Estimates</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/jwst-advisory-committee-jstac' class="offcanvas__section-link" >JWST Advisory Committee (JSTAC)</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/flyers' class="offcanvas__section-link" >Flyers</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/white-papers' class="offcanvas__section-link" >White Papers</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/design-reference-mission-drm' class="offcanvas__section-link" >Design Reference Mission (DRM)</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm' class="offcanvas__section-link" >Science Operations Design Reference Mission (SODRM)</a><button class="offcanvas__section-toggle" id="Science_Operations_Design_Reference_Mission_-SODRM-_69_control" type="button" aria-label="Science Operations Design Reference Mission (SODRM) submenu" aria-controls="Science_Operations_Design_Reference_Mission_-SODRM-_69_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Science_Operations_Design_Reference_Mission_-SODRM-_69_section" class="offcanvas__list" data-level="5" aria-labelledby="Science_Operations_Design_Reference_Mission_-SODRM-_69_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/solar-system-programs' class="offcanvas__section-link" >Solar System Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/exoplanet-programs' class="offcanvas__section-link" >Exoplanet Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/galactic-programs' class="offcanvas__section-link" >Galactic Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/nearby-galaxies-programs' class="offcanvas__section-link" >Nearby Galaxies Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/distant-galaxies-and-cosmology-programs' class="offcanvas__section-link" >Distant Galaxies and Cosmology Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/instrumentation-calibration-programs' class="offcanvas__section-link" >Instrumentation Calibration Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/observation-calibration-programs' class="offcanvas__section-link" >Observation Calibration Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/statistical-summary' class="offcanvas__section-link" >Statistical Summary</a></li></ul></li></ul></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/stsci-and-jwst' class="offcanvas__section-link" >STScI and JWST</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/about-jwst/science-themes' class="offcanvas__section-link" >Science Themes</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/jwst/news-events' class="offcanvas__section-link" >News & Events</a><button class="offcanvas__section-toggle" id="News_and_Events_70_control" type="button" aria-label="News and Events submenu" aria-controls="News_and_Events_70_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="News_and_Events_70_section" class="offcanvas__list" data-level="3" aria-labelledby="News_and_Events_70_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/news-events/news' class="offcanvas__section-link" >News</a></li><li class="offcanvas__item noChildren"><a href='/jwst/news-events/events' class="offcanvas__section-link" >Events</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/news-events/articles' class="offcanvas__section-link" >Articles</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/jwst/instrumentation' class="offcanvas__section-link" >Instrumentation</a><button class="offcanvas__section-toggle" id="Instrumentation_71_control" type="button" aria-label="Instrumentation submenu" aria-controls="Instrumentation_71_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Instrumentation_71_section" class="offcanvas__list" data-level="3" aria-labelledby="Instrumentation_71_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/instrumentation/instruments' class="offcanvas__section-link" >Science Instruments</a></li><li class="offcanvas__item noChildren"><a href='/jwst/instrumentation/imaging-modes' class="offcanvas__section-link" >Imaging Modes</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/instrumentation/spectroscopic-modes' class="offcanvas__section-link" >Spectroscopic Modes</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/jwst/science-planning' class="offcanvas__section-link" >Science Planning</a><button class="offcanvas__section-toggle" id="Science_Planning_72_control" type="button" aria-label="Science Planning submenu" aria-controls="Science_Planning_72_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Science_Planning_72_section" class="offcanvas__list" data-level="3" aria-labelledby="Science_Planning_72_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/science-planning/calls-for-proposals-and-policy' class="offcanvas__section-link" >Calls for Proposals and Policy</a></li><li class="offcanvas__item hasChildren"><a href='/jwst/science-planning/proposal-planning-toolbox' class="offcanvas__section-link" >Proposal Planning Toolbox</a><button class="offcanvas__section-toggle" id="Proposal_Planning_Toolbox_73_control" type="button" aria-label="Proposal Planning Toolbox submenu" aria-controls="Proposal_Planning_Toolbox_73_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposal_Planning_Toolbox_73_section" class="offcanvas__list" data-level="4" aria-labelledby="Proposal_Planning_Toolbox_73_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/science-planning/proposal-planning-toolbox/exposure-time-calculator' class="offcanvas__section-link" >Exposure Time Calculator</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/proposal-planning-toolbox/target-visibility-tools' class="offcanvas__section-link" >Target Visibility Tools</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/proposal-planning-toolbox/psf-simulation-tool' class="offcanvas__section-link" >PSF Simulation Tool</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/proposal-planning-toolbox/jist' class="offcanvas__section-link" >JIST</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/proposal-planning-toolbox/sensitivity-and-saturation-limits' class="offcanvas__section-link" >Sensitivity and Saturation Limits</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/proposal-planning-toolbox/mirage' class="offcanvas__section-link" >Mirage</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/proposal-planning-toolbox/mirisim' class="offcanvas__section-link" >MIRISim</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/proposal-planning-toolbox/simulated-data' class="offcanvas__section-link" >Simulated Data</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/science-planning/proposal-planning-toolbox/proposal-training' class="offcanvas__section-link" >Proposal Training</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/jwst/science-planning/tools-from-the-community' class="offcanvas__section-link" >Tools from the Community</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/jwst/science-planning/user-committees' class="offcanvas__section-link" >User Committees</a><button class="offcanvas__section-toggle" id="User_Committees_74_control" type="button" aria-label="User Committees submenu" aria-controls="User_Committees_74_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="User_Committees_74_section" class="offcanvas__list" data-level="4" aria-labelledby="User_Committees_74_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/science-planning/user-committees/jwst-users-committee' class="offcanvas__section-link" >JWST Users Committee</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/science-planning/user-committees/jwst-science-working-group' class="offcanvas__section-link" >JWST Science Working Group</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren inPath"><a href='/jwst/science-execution' class="offcanvas__section-link" >Science Execution</a><button class="offcanvas__section-toggle" id="Science_Execution_75_control" type="button" aria-label="Science Execution submenu" aria-controls="Science_Execution_75_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Science_Execution_75_section" class="offcanvas__list" data-level="3" aria-labelledby="Science_Execution_75_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/science-execution/program-information' class="offcanvas__section-link" >Program Information</a></li><li class="offcanvas__item hasChildren inPath"><a href='/jwst/science-execution/approved-programs' class="offcanvas__section-link" >Approved Programs</a><button class="offcanvas__section-toggle" id="Approved_Programs_76_control" type="button" aria-label="Approved Programs submenu" aria-controls="Approved_Programs_76_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Approved_Programs_76_section" class="offcanvas__list" data-level="4" aria-labelledby="Approved_Programs_76_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/jwst/science-execution/approved-programs/general-observers' class="offcanvas__section-link" >General Observers</a><button class="offcanvas__section-toggle" id="General_Observers_77_control" type="button" aria-label="General Observers submenu" aria-controls="General_Observers_77_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="General_Observers_77_section" class="offcanvas__list" data-level="5" aria-labelledby="General_Observers_77_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/science-execution/approved-programs/general-observers/cycle-1-go' class="offcanvas__section-link" >Cycle 1 GO</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/general-observers/cycle-2-go' class="offcanvas__section-link" >Cycle 2 GO</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/science-execution/approved-programs/general-observers/cycle-3-go' class="offcanvas__section-link" >Cycle 3 GO</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/guaranteed-time-observations' class="offcanvas__section-link" >Guaranteed Time Observations</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/directors-discretionary-time' class="offcanvas__section-link" >Director's Discretionary Time</a></li><li class="offcanvas__item hasChildren inPath"><a href='/jwst/science-execution/approved-ers-programs' class="offcanvas__section-link" >DD-ERS</a><button class="offcanvas__section-toggle" id="DD-ERS_78_control" type="button" aria-label="DD-ERS submenu" aria-controls="DD-ERS_78_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="DD-ERS_78_section" class="offcanvas__list" data-level="5" aria-labelledby="DD-ERS_78_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1288' class="offcanvas__section-link" >ERS Program 1288</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1309' class="offcanvas__section-link" >ERS Program 1309</a></li><li class="offcanvas__item noChildren inPath selected"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1324' class="offcanvas__section-link" aria-current='page'>ERS Program 1324</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1328' class="offcanvas__section-link" >ERS Program 1328</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1334' class="offcanvas__section-link" >ERS Program 1334</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1335' class="offcanvas__section-link" >ERS Program 1335</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1345' class="offcanvas__section-link" >ERS Program 1345</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1349' class="offcanvas__section-link" >ERS Program 1349</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1355' class="offcanvas__section-link" >ERS Program 1355</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1364' class="offcanvas__section-link" >ERS Program 1364</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1366' class="offcanvas__section-link" >ERS Program 1366</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1373' class="offcanvas__section-link" >ERS Program 1373</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/science-execution/approved-programs/dd-ers/program-1386' class="offcanvas__section-link" >ERS Program 1386</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/approved-programs/calibration' class="offcanvas__section-link" >Calibration</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/science-execution/approved-programs/webb-first-image-observations' class="offcanvas__section-link" >Webb First Image Observations</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/observing-schedules' class="offcanvas__section-link" >Observing Schedules</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/jwebbinars' class="offcanvas__section-link" >JWebbinars</a></li><li class="offcanvas__item noChildren"><a href='/jwst/science-execution/data-analysis-toolbox' class="offcanvas__section-link" >Data Analysis Toolbox</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/jwst/science-execution/science-publications' class="offcanvas__section-link" >Science Publications</a></li></ul></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/jwst/documentation' class="offcanvas__section-link" >Documentation</a><button class="offcanvas__section-toggle" id="Documentation_79_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_79_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_79_section" class="offcanvas__list" data-level="3" aria-labelledby="Documentation_79_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/jwst/documentation/technical-documents' class="offcanvas__section-link" >Technical Documents</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/roman' class="offcanvas__section-link" >Nancy Grace Roman Space Telescope</a><button class="offcanvas__section-toggle" id="Nancy_Grace_Roman_Space_Telescope_80_control" type="button" aria-label="Nancy Grace Roman Space Telescope submenu" aria-controls="Nancy_Grace_Roman_Space_Telescope_80_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Nancy_Grace_Roman_Space_Telescope_80_section" class="offcanvas__list" data-level="2" aria-labelledby="Nancy_Grace_Roman_Space_Telescope_80_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/roman/about' class="offcanvas__section-link" >About</a><button class="offcanvas__section-toggle" id="About_81_control" type="button" aria-label="About submenu" aria-controls="About_81_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="About_81_section" class="offcanvas__list" data-level="3" aria-labelledby="About_81_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/roman/about/science-themes' class="offcanvas__section-link" >Science Themes</a></li><li class="offcanvas__item noChildren"><a href='/roman/about/partners' class="offcanvas__section-link" >Partners</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/roman/about/roman-advisory-committee-rstac' class="offcanvas__section-link" >Roman Space Telescope Advisory Committee (RSTAC)</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/roman/surveys-and-programs' class="offcanvas__section-link" >Surveys and Programs</a></li><li class="offcanvas__item noChildren"><a href='/roman/observatory' class="offcanvas__section-link" >Observatory</a></li><li class="offcanvas__item noChildren"><a href='/roman/science-planning-toolbox' class="offcanvas__section-link" >Science Planning Toolbox</a></li><li class="offcanvas__item hasChildren"><a href='/roman/documentation' class="offcanvas__section-link" >Documentation</a><button class="offcanvas__section-toggle" id="Documentation_82_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_82_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_82_section" class="offcanvas__list" data-level="3" aria-labelledby="Documentation_82_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/roman/documentation/technical-documentation' class="offcanvas__section-link" >Technical Documentation</a></li><li class="offcanvas__item noChildren"><a href='/roman/documentation/science-publications' class="offcanvas__section-link" >Science Publications</a></li><li class="offcanvas__item noChildren"><a href='https://roman-docs.stsci.edu/' class="offcanvas__section-link" target='_blank' >RDox</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://archive.stsci.edu/missions-and-data/roman/' class="offcanvas__section-link" target='_blank' >Roman at MAST</a></li></ul></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/roman/news-and-events' class="offcanvas__section-link" >News & Events</a><button class="offcanvas__section-toggle" id="News_and_Events_83_control" type="button" aria-label="News and Events submenu" aria-controls="News_and_Events_83_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="News_and_Events_83_section" class="offcanvas__list" data-level="3" aria-labelledby="News_and_Events_83_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/roman/news-and-events/news' class="offcanvas__section-link" >News</a></li><li class="offcanvas__item noChildren"><a href='/roman/news-and-events/events' class="offcanvas__section-link" >Events</a></li><li class="offcanvas__item noChildren"><a href='/roman/news-and-events/articles' class="offcanvas__section-link" >Articles</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/roman/news-and-events/press' class="offcanvas__section-link" >Press</a></li></ul></li></ul></li><li class="offcanvas__item noChildren"><a href='http://archive.stsci.edu/' class="offcanvas__section-link" target='_blank' >Mikulski Archive for Space Telescopes (MAST)</a></li><li class="offcanvas__item hasChildren"><a href='/scientific-community' class="offcanvas__section-link" >Scientific Community</a><button class="offcanvas__section-toggle" id="Scientific_Community_84_control" type="button" aria-label="Scientific Community submenu" aria-controls="Scientific_Community_84_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Scientific_Community_84_section" class="offcanvas__list" data-level="2" aria-labelledby="Scientific_Community_84_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/scientific-community/community-missions' class="offcanvas__section-link" >Community Missions</a><button class="offcanvas__section-toggle" id="Community_Missions_85_control" type="button" aria-label="Community Missions submenu" aria-controls="Community_Missions_85_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Community_Missions_85_section" class="offcanvas__list" data-level="3" aria-labelledby="Community_Missions_85_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/scientific-community/community-missions/services' class="offcanvas__section-link" >Services</a><button class="offcanvas__section-toggle" id="Services_86_control" type="button" aria-label="Services submenu" aria-controls="Services_86_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Services_86_section" class="offcanvas__list" data-level="4" aria-labelledby="Services_86_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/scientific-community/community-missions/services/peer-review' class="offcanvas__section-link" >Peer Review</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/scientific-community/community-missions/missions' class="offcanvas__section-link" >Missions</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/scientific-community/community-missions/advanced-concepts' class="offcanvas__section-link" >Advanced Concepts</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/scientific-community/grants-administration' class="offcanvas__section-link" >Grants Administration</a><button class="offcanvas__section-toggle" id="Grants_Administration_87_control" type="button" aria-label="Grants Administration submenu" aria-controls="Grants_Administration_87_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Grants_Administration_87_section" class="offcanvas__list" data-level="3" aria-labelledby="Grants_Administration_87_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/scientific-community/grants-administration/stsci-budget-proposer-guide' class="offcanvas__section-link" >STScI Budget Proposer Guide</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/grants-administration/stgms-user-guide' class="offcanvas__section-link" >STGMS User Guide</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/grants-administration/frequently-asked-questions' class="offcanvas__section-link" >Frequently Asked Questions</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/scientific-community/grants-administration/nhfp-grant-resources' class="offcanvas__section-link" >NHFP Grant Resources</a><button class="offcanvas__section-toggle" id="NHFP_Grant_Resources_88_control" type="button" aria-label="NHFP Grant Resources submenu" aria-controls="NHFP_Grant_Resources_88_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="NHFP_Grant_Resources_88_section" class="offcanvas__list" data-level="4" aria-labelledby="NHFP_Grant_Resources_88_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/scientific-community/grants-administration/nhfp-grant-resources/nhfp-stgms-user-guide' class="offcanvas__section-link" >NHFP STGMS User Guide</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/scientific-community/grants-administration/nhfp-grant-resources/nhfp-frequently-asked-questions' class="offcanvas__section-link" >NHFP Frequently Asked Questions</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/scientific-community/stsci-library-and-institutional-archive' class="offcanvas__section-link" >STScI Library and Institutional Archive</a><button class="offcanvas__section-toggle" id="STScI_Library_and_Institutional_Archive_89_control" type="button" aria-label="STScI Library and Institutional Archive submenu" aria-controls="STScI_Library_and_Institutional_Archive_89_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="STScI_Library_and_Institutional_Archive_89_section" class="offcanvas__list" data-level="3" aria-labelledby="STScI_Library_and_Institutional_Archive_89_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/scientific-community/stsci-library-and-institutional-archive/our-collections' class="offcanvas__section-link" >Our Collections</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/stsci-library-and-institutional-archive/institutional-archive' class="offcanvas__section-link" >Institutional Archive</a></li><li class="offcanvas__item hasChildren"><a href='/scientific-community/stsci-library-and-institutional-archive/missions-publications' class="offcanvas__section-link" >Missions Publications</a><button class="offcanvas__section-toggle" id="Missions_Publications_90_control" type="button" aria-label="Missions Publications submenu" aria-controls="Missions_Publications_90_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Missions_Publications_90_section" class="offcanvas__list" data-level="4" aria-labelledby="Missions_Publications_90_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/scientific-community/stsci-library-and-institutional-archive/missions-publications/bibliography-methodology' class="offcanvas__section-link" >Bibliography Methodology</a></li><li class="offcanvas__item noChildren"><a href='https://archive.stsci.edu/publishing/bibliography#/' class="offcanvas__section-link" target='_blank' >Publication Search</a></li><li class="offcanvas__item noChildren"><a href='https://archive.stsci.edu/hst/bibliography/pubstat.html' class="offcanvas__section-link" target='_blank' >Hubble Publication Statistics</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://mast.stsci.edu/papertrack/reports/jwst' class="offcanvas__section-link" target='_blank' >Webb Publication Statistics</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://stsci.on.worldcat.org/discovery' class="offcanvas__section-link" target='_blank' >Our Catalog</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/scientific-community/software' class="offcanvas__section-link" >Software</a><button class="offcanvas__section-toggle" id="Software_91_control" type="button" aria-label="Software submenu" aria-controls="Software_91_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Software_91_section" class="offcanvas__list" data-level="3" aria-labelledby="Software_91_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/scientific-community/software/astronomers-proposal-tool-apt' class="offcanvas__section-link" >Astronomer's Proposal Tool (APT)</a><button class="offcanvas__section-toggle" id="Astronomeraposs_Proposal_Tool_-APT-_92_control" type="button" aria-label="Astronomer's Proposal Tool (APT) submenu" aria-controls="Astronomeraposs_Proposal_Tool_-APT-_92_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Astronomeraposs_Proposal_Tool_-APT-_92_section" class="offcanvas__list" data-level="4" aria-labelledby="Astronomeraposs_Proposal_Tool_-APT-_92_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/scientific-community/software/astronomers-proposal-tool-apt/linux' class="offcanvas__section-link" >Linux</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/software/astronomers-proposal-tool-apt/mac-os' class="offcanvas__section-link" >macOS</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/software/astronomers-proposal-tool-apt/windows' class="offcanvas__section-link" >Windows</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/software/astronomers-proposal-tool-apt/previous-apt-releases' class="offcanvas__section-link" >Previous APT Releases</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/scientific-community/software/astronomers-proposal-tool-apt/hst-training-materials' class="offcanvas__section-link" >HST Training Materials</a></li></ul></li><li class="offcanvas__item noChildren"><a href='http://etc.stsci.edu/etc/' class="offcanvas__section-link" target='_blank' >Exposure Time Calculator</a></li><li class="offcanvas__item hasChildren"><a href='/scientific-community/software/drizzlepac' class="offcanvas__section-link" >DrizzlePac</a><button class="offcanvas__section-toggle" id="DrizzlePac_93_control" type="button" aria-label="DrizzlePac submenu" aria-controls="DrizzlePac_93_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="DrizzlePac_93_section" class="offcanvas__list" data-level="4" aria-labelledby="DrizzlePac_93_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/scientific-community/software/drizzlepac/features' class="offcanvas__section-link" >Features</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/software/drizzlepac/frequently-asked-questions' class="offcanvas__section-link" >Frequently Asked Questions</a></li><li class="offcanvas__item noChildren"><a href='/scientific-community/software/drizzlepac/instrument-characteristics' class="offcanvas__section-link" >Instrument Characteristics</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/scientific-community/software/drizzlepac/news' class="offcanvas__section-link" >News</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/scientific-community/software/axe' class="offcanvas__section-link" >HSTaXe</a><button class="offcanvas__section-toggle" id="HSTaXe_94_control" type="button" aria-label="HSTaXe submenu" aria-controls="HSTaXe_94_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="HSTaXe_94_section" class="offcanvas__list" data-level="4" aria-labelledby="HSTaXe_94_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/scientific-community/software/axe/axedrizzle' class="offcanvas__section-link" >aXedrizzle</a></li></ul></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/scientific-community/scientific-careers' class="offcanvas__section-link" >Scientific Careers</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/stsci-research' class="offcanvas__section-link" >STScI Research</a><button class="offcanvas__section-toggle" id="STScI_Research_95_control" type="button" aria-label="STScI Research submenu" aria-controls="STScI_Research_95_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="STScI_Research_95_section" class="offcanvas__list" data-level="2" aria-labelledby="STScI_Research_95_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/stsci-research/research-groups' class="offcanvas__section-link" >Research Groups</a><button class="offcanvas__section-toggle" id="Research_Groups_96_control" type="button" aria-label="Research Groups submenu" aria-controls="Research_Groups_96_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Research_Groups_96_section" class="offcanvas__list" data-level="3" aria-labelledby="Research_Groups_96_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/stsci-research/research-groups/active-galactic-nuclei-research-group' class="offcanvas__section-link" >Active Galactic Nuclei Research Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/extrasolar-planetary-systems-imaging-group' class="offcanvas__section-link" >Extrasolar Planetary Systems Imaging Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/galaxies-and-the-cgm-group' class="offcanvas__section-link" >Galaxies and the CGM Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/galaxy-clusters-science-group' class="offcanvas__section-link" >Galaxy Clusters Science Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/hstpromo-group' class="offcanvas__section-link" >HSTPROMO Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/interstellar-medium-group' class="offcanvas__section-link" >Interstellar Medium* Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/jwst-telescope-scientist-team' class="offcanvas__section-link" >JWST Telescope Scientist Team</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/milky-way-halo-group' class="offcanvas__section-link" >Milky Way Halo Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/reionization-and-emission-line-galaxies-group' class="offcanvas__section-link" >Reionization and Emission Line Galaxies Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/star-and-planet-formation-group' class="offcanvas__section-link" >Star and Planet Formation Group</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-groups/transient-science-space-telescope' class="offcanvas__section-link" >Transient Science @ Space Telescope Group</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/stsci-research/research-groups/transiting-exoplanets-group' class="offcanvas__section-link" >Transiting Exoplanets Group</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/stsci-research/research-topics-and-programs' class="offcanvas__section-link" >Research Topics and Programs</a><button class="offcanvas__section-toggle" id="Research_Topics_and_Programs_97_control" type="button" aria-label="Research Topics and Programs submenu" aria-controls="Research_Topics_and_Programs_97_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Research_Topics_and_Programs_97_section" class="offcanvas__list" data-level="3" aria-labelledby="Research_Topics_and_Programs_97_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/stsci-research/research-topics-and-programs/russell-b-makidon-optics-laboratory' class="offcanvas__section-link" >Russell B. Makidon Optics Laboratory</a><button class="offcanvas__section-toggle" id="Russell_B-_Makidon_Optics_Laboratory_98_control" type="button" aria-label="Russell B. Makidon Optics Laboratory submenu" aria-controls="Russell_B-_Makidon_Optics_Laboratory_98_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Russell_B-_Makidon_Optics_Laboratory_98_section" class="offcanvas__list" data-level="4" aria-labelledby="Russell_B-_Makidon_Optics_Laboratory_98_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/stsci-research/research-topics-and-programs/russell-b-makidon-optics-laboratory/meet-the-team' class="offcanvas__section-link" >Meet the Team</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/stsci-research/research-topics-and-programs/russell-b-makidon-optics-laboratory/news-from-the-lab' class="offcanvas__section-link" >News from the Lab</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/stsci-research/research-topics-and-programs/institute-for-planets-and-life' class="offcanvas__section-link" >Institute for Planets and Life</a><button class="offcanvas__section-toggle" id="Institute_for_Planets_and_Life_99_control" type="button" aria-label="Institute for Planets and Life submenu" aria-controls="Institute_for_Planets_and_Life_99_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Institute_for_Planets_and_Life_99_section" class="offcanvas__list" data-level="4" aria-labelledby="Institute_for_Planets_and_Life_99_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/stsci-research/research-topics-and-programs/institute-for-planets-and-life/astrophysics' class="offcanvas__section-link" >Astrophysics</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/institute-for-planets-and-life/planetary-sciences' class="offcanvas__section-link" >Planetary Sciences</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/institute-for-planets-and-life/biological-sciences' class="offcanvas__section-link" >Biological Sciences</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/institute-for-planets-and-life/events-and-lectures' class="offcanvas__section-link" >Events and Lectures</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/stsci-research/research-topics-and-programs/institute-for-planets-and-life/related-resources' class="offcanvas__section-link" >Related Resources</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science' class="offcanvas__section-link" >Exoplanet and Planetary Science</a><button class="offcanvas__section-toggle" id="Exoplanet_and_Planetary_Science_100_control" type="button" aria-label="Exoplanet and Planetary Science submenu" aria-controls="Exoplanet_and_Planetary_Science_100_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Exoplanet_and_Planetary_Science_100_section" class="offcanvas__list" data-level="4" aria-labelledby="Exoplanet_and_Planetary_Science_100_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/hst-exoplanet-and-planetary-science' class="offcanvas__section-link" >HST Exoplanet and Planetary Science</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/jwst-exoplanet-and-planetary-science' class="offcanvas__section-link" >JWST Exoplanet and Planetary Science</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/planet-discovery-and-demographics' class="offcanvas__section-link" >Planet Discovery and Demographics</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/planet-characterization' class="offcanvas__section-link" >Planet Characterization</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/solar-system' class="offcanvas__section-link" >Solar System</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/planetary-system-formation-and-evolution' class="offcanvas__section-link" >Planetary System Formation and Evolution</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/archives-and-high-level-data-products' class="offcanvas__section-link" >Archives and High Level Data Products</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/stsci-research/research-topics-and-programs/exoplanet-and-planetary-science/software-and-tools' class="offcanvas__section-link" >Software and Tools</a></li></ul></li></ul></li><li class="offcanvas__item noChildren"><a href='/stsci-research/research-directory' class="offcanvas__section-link" >Research Directory</a></li><li class="offcanvas__item hasChildren"><a href='/stsci-research/fellowships' class="offcanvas__section-link" >Fellowships</a><button class="offcanvas__section-toggle" id="Fellowships_101_control" type="button" aria-label="Fellowships submenu" aria-controls="Fellowships_101_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Fellowships_101_section" class="offcanvas__list" data-level="3" aria-labelledby="Fellowships_101_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program' class="offcanvas__section-link" >NASA Hubble Fellowship Program</a><button class="offcanvas__section-toggle" id="NASA_Hubble_Fellowship_Program_102_control" type="button" aria-label="NASA Hubble Fellowship Program submenu" aria-controls="NASA_Hubble_Fellowship_Program_102_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="NASA_Hubble_Fellowship_Program_102_section" class="offcanvas__list" data-level="4" aria-labelledby="NASA_Hubble_Fellowship_Program_102_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/announcement-of-opportunity' class="offcanvas__section-link" >Announcement of Opportunity</a><button class="offcanvas__section-toggle" id="Announcement_of_Opportunity_103_control" type="button" aria-label="Announcement of Opportunity submenu" aria-controls="Announcement_of_Opportunity_103_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Announcement_of_Opportunity_103_section" class="offcanvas__list" data-level="5" aria-labelledby="Announcement_of_Opportunity_103_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/announcement-of-opportunity/science-categories-and-techniques' class="offcanvas__section-link" >Science Categories and Techniques</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/announcement-of-opportunity/frequently-asked-questions' class="offcanvas__section-link" >Frequently Asked Questions</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/announcement-of-opportunity/advice-for-applicants' class="offcanvas__section-link" >Advice for Applicants</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/announcement-of-opportunity/nhfp-selection-rubric' class="offcanvas__section-link" >NHFP Selection Rubric</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/host-institutions' class="offcanvas__section-link" >Host Institutions and the NHFP Employment Policy</a><button class="offcanvas__section-toggle" id="Host_Institutions_and_the_NHFP_Employment_Policy_104_control" type="button" aria-label="Host Institutions and the NHFP Employment Policy submenu" aria-controls="Host_Institutions_and_the_NHFP_Employment_Policy_104_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Host_Institutions_and_the_NHFP_Employment_Policy_104_section" class="offcanvas__list" data-level="5" aria-labelledby="Host_Institutions_and_the_NHFP_Employment_Policy_104_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/host-institutions/faq' class="offcanvas__section-link" >Frequently Asked Questions</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/nhfp-annual-symposia' class="offcanvas__section-link" >NHFP Annual Symposia</a></li><li class="offcanvas__item hasChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/resources-for-current-fellows' class="offcanvas__section-link" >Resources for Current Fellows</a><button class="offcanvas__section-toggle" id="Resources_for_Current_Fellows_105_control" type="button" aria-label="Resources for Current Fellows submenu" aria-controls="Resources_for_Current_Fellows_105_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Resources_for_Current_Fellows_105_section" class="offcanvas__list" data-level="5" aria-labelledby="Resources_for_Current_Fellows_105_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/resources-for-current-fellows/visa-and-benefits-information' class="offcanvas__section-link" >Visa and Benefits Information</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2024-nhfp-fellows' class="offcanvas__section-link" >2024 NHFP Fellows</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2023-nhfp-fellows' class="offcanvas__section-link" >2023 NHFP Fellows</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2022-nhfp-fellows' class="offcanvas__section-link" >2022 NHFP Fellows</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2021-nhfp-fellows' class="offcanvas__section-link" >2021 NHFP Fellows</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2020-nhfp-fellows' class="offcanvas__section-link" >2020 NHFP Fellows</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2019-nhfp-fellows' class="offcanvas__section-link" >2019 NHFP Fellows</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2018-nhfp-fellows' class="offcanvas__section-link" >2018 NHFP Fellows</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/stsci-research/fellowships/nasa-hubble-fellowship-program/2017-and-prior-fellows' class="offcanvas__section-link" >2017 and Prior Fellows</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/announcement-of-opportunity' class="offcanvas__section-link" >Announcement of Opportunity</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/giacconi-fellowship' class="offcanvas__section-link" >Giacconi Fellowship</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/lasker-fellowship' class="offcanvas__section-link" >Lasker Fellowship</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/exoplanet-science-fellowship' class="offcanvas__section-link" >Exoplanet Science Fellowship</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/stsci-postdoctoral-fellowship' class="offcanvas__section-link" >STScI Postdoctoral Fellowship</a></li><li class="offcanvas__item noChildren"><a href='/stsci-research/fellowships/davidsen-fellowship' class="offcanvas__section-link" >Davidsen Fellowship</a></li><li class="offcanvas__item hasChildren"><a href='/stsci-research/fellowships/brinson-prize-fellowship-program' class="offcanvas__section-link" >Brinson Prize Fellowship Program</a><button class="offcanvas__section-toggle" id="Brinson_Prize_Fellowship_Program_106_control" type="button" aria-label="Brinson Prize Fellowship Program submenu" aria-controls="Brinson_Prize_Fellowship_Program_106_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Brinson_Prize_Fellowship_Program_106_section" class="offcanvas__list" data-level="4" aria-labelledby="Brinson_Prize_Fellowship_Program_106_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/stsci-research/fellowships/brinson-prize-fellowship-program/announcement-of-opportunity' class="offcanvas__section-link" >Announcement of Opportunity</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/stsci-research/fellowships/current-and-past-fellows' class="offcanvas__section-link" >Current and Past Fellows</a></li></ul></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/stsci-research/caroline-herschel-visitor-program' class="offcanvas__section-link" >Caroline Herschel Visitor Program</a><button class="offcanvas__section-toggle" id="Caroline_Herschel_Visitor_Program_107_control" type="button" aria-label="Caroline Herschel Visitor Program submenu" aria-controls="Caroline_Herschel_Visitor_Program_107_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Caroline_Herschel_Visitor_Program_107_section" class="offcanvas__list" data-level="3" aria-labelledby="Caroline_Herschel_Visitor_Program_107_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/stsci-research/caroline-herschel-visitor-program/past-visitors' class="offcanvas__section-link" >Past Visitors</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/news' class="offcanvas__section-link" >News Center</a><button class="offcanvas__section-toggle" id="News_Center_108_control" type="button" aria-label="News Center submenu" aria-controls="News_Center_108_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="News_Center_108_section" class="offcanvas__list" data-level="2" aria-labelledby="News_Center_108_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/news/press-releases' class="offcanvas__section-link" >Press Releases</a></li><li class="offcanvas__item noChildren"><a href='/news/journalist-resources' class="offcanvas__section-link" >Journalist Resources</a></li><li class="offcanvas__item noChildren"><a href='/news/scientist-resources' class="offcanvas__section-link" >Scientist Resources</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/news/newsletters' class="offcanvas__section-link" >Newsletters</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/events' class="offcanvas__section-link" >Events</a><button class="offcanvas__section-toggle" id="Events_109_control" type="button" aria-label="Events submenu" aria-controls="Events_109_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Events_109_section" class="offcanvas__list" data-level="2" aria-labelledby="Events_109_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/events/webcasts' class="offcanvas__section-link" >Webcasts</a><button class="offcanvas__section-toggle" id="Webcasts_110_control" type="button" aria-label="Webcasts submenu" aria-controls="Webcasts_110_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Webcasts_110_section" class="offcanvas__list" data-level="3" aria-labelledby="Webcasts_110_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/events/webcasts/webcast-faqs' class="offcanvas__section-link" >Webcast FAQs</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/communications-and-outreach' class="offcanvas__section-link" >Communications and Outreach</a><button class="offcanvas__section-toggle" id="Communications_and_Outreach_111_control" type="button" aria-label="Communications and Outreach submenu" aria-controls="Communications_and_Outreach_111_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Communications_and_Outreach_111_section" class="offcanvas__list" data-level="2" aria-labelledby="Communications_and_Outreach_111_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/communications-and-outreach/news-production' class="offcanvas__section-link" >News Production</a></li><li class="offcanvas__item noChildren"><a href='/communications-and-outreach/stem-learning' class="offcanvas__section-link" >STEM Learning</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/communications-and-outreach/public-outreach' class="offcanvas__section-link" >Public Outreach</a><button class="offcanvas__section-toggle" id="Public_Outreach_112_control" type="button" aria-label="Public Outreach submenu" aria-controls="Public_Outreach_112_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Public_Outreach_112_section" class="offcanvas__list" data-level="3" aria-labelledby="Public_Outreach_112_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/communications-and-outreach/public-outreach/public-lecture-series' class="offcanvas__section-link" >Public Lecture Series</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/opportunities' class="offcanvas__section-link" >Opportunities</a><button class="offcanvas__section-toggle" id="Opportunities_113_control" type="button" aria-label="Opportunities submenu" aria-controls="Opportunities_113_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Opportunities_113_section" class="offcanvas__list" data-level="2" aria-labelledby="Opportunities_113_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/opportunities/how-to-apply' class="offcanvas__section-link" >How to Apply</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/benefits' class="offcanvas__section-link" >Benefits</a></li><li class="offcanvas__item hasChildren"><a href='/opportunities/our-work' class="offcanvas__section-link" >Our Work</a><button class="offcanvas__section-toggle" id="Our_Work_114_control" type="button" aria-label="Our Work submenu" aria-controls="Our_Work_114_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Our_Work_114_section" class="offcanvas__list" data-level="3" aria-labelledby="Our_Work_114_control"><li class="offcanvas__item hasChildren firstInLevel lastInLevel"><a href='/opportunities/our-work/our-culture' class="offcanvas__section-link" >Our Culture</a><button class="offcanvas__section-toggle" id="Our_Culture_115_control" type="button" aria-label="Our Culture submenu" aria-controls="Our_Culture_115_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Our_Culture_115_section" class="offcanvas__list" data-level="4" aria-labelledby="Our_Culture_115_control"><li class="offcanvas__item hasChildren firstInLevel lastInLevel"><a href='/opportunities/our-work/our-culture/diversity-equity-and-inclusion' class="offcanvas__section-link" >Diversity, Equity, and Inclusion</a><button class="offcanvas__section-toggle" id="Diversity-_Equity-_and_Inclusion_116_control" type="button" aria-label="Diversity, Equity, and Inclusion submenu" aria-controls="Diversity-_Equity-_and_Inclusion_116_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Diversity-_Equity-_and_Inclusion_116_section" class="offcanvas__list" data-level="5" aria-labelledby="Diversity-_Equity-_and_Inclusion_116_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/opportunities/our-work/our-culture/diversity-equity-and-inclusion/employee-resource-groups' class="offcanvas__section-link" >Employee Resource Groups</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/our-work/our-culture/diversity-equity-and-inclusion/training-programs' class="offcanvas__section-link" >Training Programs</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/our-work/our-culture/diversity-equity-and-inclusion/code-of-conduct' class="offcanvas__section-link" >Code of Conduct</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/opportunities/our-work/our-culture/diversity-equity-and-inclusion/community-connections' class="offcanvas__section-link" >Community Connections</a></li></ul></li></ul></li></ul></li><li class="offcanvas__item noChildren"><a href='/opportunities/meet-our-staff' class="offcanvas__section-link" >Meet Our Staff</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/internships' class="offcanvas__section-link" >Internships</a></li><li class="offcanvas__item hasChildren"><a href='/opportunities/space-astronomy-summer-program' class="offcanvas__section-link" >Space Astronomy Summer Program</a><button class="offcanvas__section-toggle" id="Space_Astronomy_Summer_Program_117_control" type="button" aria-label="Space Astronomy Summer Program submenu" aria-controls="Space_Astronomy_Summer_Program_117_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Space_Astronomy_Summer_Program_117_section" class="offcanvas__list" data-level="3" aria-labelledby="Space_Astronomy_Summer_Program_117_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/opportunities/space-astronomy-summer-program/program-details' class="offcanvas__section-link" >Program Details</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/space-astronomy-summer-program/application-information' class="offcanvas__section-link" >Application Information</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/space-astronomy-summer-program/housing-and-transportation' class="offcanvas__section-link" >Housing and Transportation</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/space-astronomy-summer-program/working-at-the-institute' class="offcanvas__section-link" >Working at the Institute</a></li><li class="offcanvas__item noChildren"><a href='/opportunities/space-astronomy-summer-program/frequently-asked-questions' class="offcanvas__section-link" >Frequently Asked Questions</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/opportunities/space-astronomy-summer-program/archived-student-presentations' class="offcanvas__section-link" >Archived Student Presentations</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/opportunities/youth-for-astronomy-engineering' class="offcanvas__section-link" >Youth for Astronomy & Engineering</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/contact' class="offcanvas__section-link" >Contact Us</a><button class="offcanvas__section-toggle" id="Contact_Us_118_control" type="button" aria-label="Contact Us submenu" aria-controls="Contact_Us_118_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Contact_Us_118_section" class="offcanvas__list" data-level="2" aria-labelledby="Contact_Us_118_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/contact/local-information' class="offcanvas__section-link" >Local Information</a></li><li class="offcanvas__item noChildren"><a href='/contact/getting-here' class="offcanvas__section-link" >Getting Here</a></li></ul></li></ul></div> </nav> <div class="offcanvas-body"> <section id="top-of-page"> <div class="background-img banner__interior " aria-labelledby="page-title" > <div class="row banner__content"> <div class="col-md-12 text-center"> <h1 id="page-title" class="interior-page-title ">ERS Program 1324</h1> </div> </div> <picture class="stretch-container"> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" alt="Banner image showing various science themes within JWST mirror segments" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7 1w, /files/live/sites/www/files/home/jwst/_images/Banner-JWST-001.jpg?t=tn370 370w, /files/live/sites/www/files/home/jwst/_images/Banner-JWST-001.jpg?t=tn768 768w, /files/live/sites/www/files/home/jwst/_images/Banner-JWST-001.jpg?t=tn992 992w, /files/live/sites/www/files/home/jwst/_images/Banner-JWST-001.jpg?t=tn1200 1200w, /files/live/sites/www/files/home/jwst/_images/Banner-JWST-001.jpg?t=tn1600 1600w, /files/live/sites/www/files/home/jwst/_images/Banner-JWST-001.jpg?t=tn2400 2400w" sizes="(max-width: 370px) 370px, (max-width: 768px) 768px, (max-width: 992px) 992px, (max-width: 1200px) 1200px, (max-width: 1600px) 1600px, (max-width: 2400px) 2400px, 2400px"/> </picture> </div> <div class="mission-nav content-section-2" data-module-dynamic="mission-nav"> <div class="container-fluid"> <nav aria-labelledby="h2-mission-nav" > <h2 id="h2-mission-nav" class="sr-only">JWST Menu</h2> <ul role="list"> <div class="nav-items-wrapper-start"></div> <li class="js-first-level"> <a href="/jwst" >JWST Home</a> </li><li class="js-first-level"> <a href="/jwst/about-jwst" >About JWST</a> <div class="mission-nav__dropdown"> <ul role="list"> <li class=""> <a href="/jwst/about-jwst/history" >History</a> </li><li class=""> <a href="/jwst/about-jwst/stsci-and-jwst" class="noChildren">STScI and JWST</a> </li><li class=""> <a href="/jwst/about-jwst/science-themes" class="noChildren">Science Themes</a> </li></ul> </div> </li><li class="js-first-level"> <a href="/jwst/news-events" >News & Events</a> <div class="mission-nav__dropdown"> <ul role="list"> <li class=""> <a href="/jwst/news-events/news" class="noChildren">News</a> </li><li class=""> <a href="/jwst/news-events/events" class="noChildren">Events</a> </li><li class=""> <a href="/jwst/news-events/articles" class="noChildren">Articles</a> </li></ul> </div> </li><li class="js-first-level"> <a href="/jwst/instrumentation" >Instrumentation</a> <div class="mission-nav__dropdown"> <ul role="list"> <li class=""> <a href="/jwst/instrumentation/instruments" class="noChildren">Science Instruments</a> </li><li class=""> <a href="/jwst/instrumentation/imaging-modes" class="noChildren">Imaging Modes</a> </li><li class=""> <a href="/jwst/instrumentation/spectroscopic-modes" class="noChildren">Spectroscopic Modes</a> </li></ul> </div> </li><li class="js-first-level"> <a href="/jwst/science-planning" >Science Planning</a> <div class="mission-nav__dropdown"> <ul role="list"> <li class=""> <a href="/jwst/science-planning/calls-for-proposals-and-policy" class="noChildren">Calls for Proposals and Policy</a> </li><li class=""> <a href="/jwst/science-planning/proposal-planning-toolbox" >Proposal Planning Toolbox</a> </li><li class=""> <a href="/jwst/science-planning/tools-from-the-community" class="noChildren">Tools from the Community</a> </li><li class=""> <a href="/jwst/science-planning/user-committees" >User Committees</a> </li></ul> </div> </li><li class="js-first-level current-section"> <a href="/jwst/science-execution" aria-current='page'>Science Execution</a> <div class="mission-nav__dropdown"> <ul role="list"> <li class=""> <a href="/jwst/science-execution/program-information" class="noChildren">Program Information</a> </li><li class=" current-section"> <a href="/jwst/science-execution/approved-programs" aria-current='page'>Approved Programs</a> </li><li class=""> <a href="/jwst/science-execution/observing-schedules" class="noChildren">Observing Schedules</a> </li><li class=""> <a href="/jwst/science-execution/jwebbinars" class="noChildren">JWebbinars</a> </li><li class=""> <a href="/jwst/science-execution/data-analysis-toolbox" class="noChildren">Data Analysis Toolbox</a> </li><li class=""> <a href="/jwst/science-execution/science-publications" class="noChildren">Science Publications</a> </li></ul> </div> </li><li class="js-first-level"> <a href="/jwst/documentation" >Documentation</a> <div class="mission-nav__dropdown"> <ul role="list"> <li class=""> <a href="/jwst/documentation/technical-documents" class="noChildren">Technical Documents</a> </li></ul> </div> </li><div class="nav-items-wrapper-end"></div> </ul> </nav> </div> </div><div class="container-fluid breadcrumbs-container"> <nav class="breadcrumbs-share row hidden-xs hidden-sm" aria-label="Breadcrumb" data-module-dynamic="breadcrumbs"> <div class="col-sm-12"> <h2 id="h2-sr-only-breadcrumbs-navigation" class="sr-only">Breadcrumbs Navigation</h2> <ul role="list" class="breadcrumbs"> <li class="breadcrumb"> <a href="/home"> <span>Home</span></a> </li> <li class="breadcrumb"> <button class="breadcrumbs-share__expander" type="button" aria-label="Hidden Breadcrumbs" aria-expanded="false" aria-controls="hidden-breadcrumbs"> <span class="dot"></span> <span class="dot"></span> <span class="dot"></span> <span>(+)</span> </button> <div class="breadcrumbs-share__hidden-items-wrapper"> <ul role="list" id="hidden-breadcrumbs" class="breadcrumbs-share__hidden-items"> <li class="breadcrumb"> <a href="/jwst"> <span>James Webb Space Telescope</span></a> </li> <li class="breadcrumb"> <a href="/jwst/science-execution"> <span>Science Execution</span></a> </li> </ul> </div> </li> <li class="breadcrumb"> <a href="/jwst/science-execution/approved-programs"> <span>Approved Programs</span></a> </li> <li class="breadcrumb"> <a href="/jwst/science-execution/approved-ers-programs"> <span>DD-ERS</span></a> </li> </ul> </div> </nav> </div><main id="main-content" > <section id="section-77ef4a31-a06e-47df-b853-a3a2ac776d8a" data-name="section-through-the-looking-glass-a-jwst-exploration-of-galaxy-formation-and-evolution-from-cosmic-dawn-to-present-day" class="section-row none" > <div class="component-block container-fluid"> <div class="row"> <div class="section-header col-xs-12 text-left"> <h2 id="h2-77ef4a31-a06e-47df-b853-a3a2ac776d8a" data-name="h2-through-the-looking-glass-a-jwst-exploration-of-galaxy-formation-and-evolution-from-cosmic-dawn-to-present-day" class="section-header__title" data-include-in-navigation="false"> Through the Looking GLASS: A JWST Exploration of Galaxy Formation and Evolution from Cosmic Dawn to Present Day</h2> </div> </div> </div> <div class="component-block container-fluid"> <ul role="list" class="icon-listing"> <li><div class="icon-row row-flex-sm card" data-module-dynamic="card"> <div class="listing-block"> <h3 id="h3-2e28fa37-186f-4ac5-b972-e560634b9a2c" data-name="h3-galaxies-and-intergalactic-medium"> Galaxies and Intergalactic Medium</h3> <p><strong>PI:</strong> Tommaso Treu<br /> <br /> <a class="btn" href="https://youtu.be/rHPkKxSZYzo" target="_blank">View Webinar Video</a></p> </div> <span class="listing-icons"> <span class="svg-sprite -galaxies" > <svg role="img" aria-label="galaxies icon" focusable="false"> <use xlink:href="#galaxies"></use> </svg> </span></span> </div></li> </ul> </div><div class="component-block container-fluid"> <div class="accordion" data-module-dynamic="accordion"> <h3 class="sr-only">Program Details</h3> <div class="sr-only" aria-live="polite" aria-atomic="true"></div> <div class="accordion__controls"> <button type="button" class="accordion__control" aria-label="Expand All Program Details Panels" data-accordion-button="expand-all">Expand All</button> <span class="accordion__controls-divider"></span> <button type="button" class="accordion__control" aria-label="Collapse All Program Details Panels" data-accordion-button="collapse-all">Collapse All</button> </div> <div class="accordion-container panel" role="tablist"> <h4 id="h4-8a0a9a75-6e65-4d10-bf5c-432da5ac2c2e" data-name="h4-keywords" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_0_control" data-toggle="collapse" type="button" aria-label="Keywords Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_0_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_0_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">Keywords</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_0_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_0_control"> <div class="accordion__content-inner light-background-"> <div><p>Chemical Abundances<br /> Emission-Line Galaxies<br /> Galaxy Formation and Evolution<br /> Star-Formation Histories</p> </div> </div> </div> </div><div class="accordion-container panel" role="tablist"> <h4 id="h4-def2abf1-aec3-417e-9bf5-a28f0d7aabac" data-name="h4-investigators" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_1_control" data-toggle="collapse" type="button" aria-label="Investigators Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_1_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_1_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">Investigators</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_1_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_1_control"> <div class="accordion__content-inner light-background-"> <div><p>Louis Evan Abramson<br /> Marusa Bradac <br /> Gabriel Brammer <br /> Adriano Fontana <br /> Karl Glazebrook <br /> Alaina L. Henry <br /> Austin Hoag <br /> Kuang-Han Hunag <br /> Charlotte Mason <br /> Takahiro Morishita<br /> Laura Pentericci <br /> Xin Wang </p> </div> </div> </div> </div><div class="accordion-container panel" role="tablist"> <h4 id="h4-407084e3-d4dd-48cb-970a-d6f279f31b19" data-name="h4-abstract" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_2_control" data-toggle="collapse" type="button" aria-label="Abstract Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_2_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_2_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">Abstract</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_2_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_2_control"> <div class="accordion__content-inner light-background-"> <div><p>We propose a carefully designed set of observations of the lensing cluster Abell 2744 to study intrinsically faint magnified galaxies from the epoch of reionization to redshift of 1, demonstrating and characterizing complementary spectroscopic modes with NIRSPEC and NIRISS. The observations are designed to address the questions:</p> <ol style="margin-left: 40px;"> <li>When did reionization happen and what were the sources of reionizing photons?</li> <li>How do baryons cycle in and out of galaxies?  </li> </ol> <p>This dataset with deep spectroscopy on the cluster and deep multiband NIRCAM imaging in parallel will enable a wealth of investigations and will thus be of interest to a broad section of the astronomical community. The dataset will illustrate the power and challenges of:</p> <ol style="margin-left: 40px;"> <li>Combining rest frame UV and optical NIRSPEC spectroscopy for galaxies at the epoch of reionization;</li> <li>Obtaining spatially resolved emission line maps with NIRISS; and</li> <li>Combining NIRISS and NIRSPEC spectroscopy.</li> </ol> </div> </div> </div> </div><div class="accordion-container panel" role="tablist"> <h4 id="h4-e5ed5d2e-b2d0-4627-bcee-263291b8671c" data-name="h4-instrument-and-mode" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_3_control" data-toggle="collapse" type="button" aria-label="Instrument and Mode Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_3_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_3_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">Instrument and Mode</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_3_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_3_control"> <div class="accordion__content-inner light-background-"> <div><p>NIRCam: Parallel imaging<br /> NIRISS: Wide Field Slitless Spectroscopy<br /> NIRSpec: Multi-object Spectroscopy</p> </div> </div> </div> </div><div class="accordion-container panel" role="tablist"> <h4 id="h4-3972a0c1-40cd-4b80-adcd-d74af34680e6" data-name="h4-what-does-the-program-enable-for-the-user-community" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_4_control" data-toggle="collapse" type="button" aria-label="What Does the Program Enable for the User Community? Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_4_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_4_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">What Does the Program Enable for the User Community?</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_4_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_4_control"> <div class="accordion__content-inner light-background-"> <div><p>Building on our extensive experience with HST stlitless spectroscopy and imaging in clusters of galaxies as part of the GLASS, WISP, SURFSUP, and ASTRODEEP projects, we will provide to the community the science-enabling products described below:</p> <ol class="bulleted"> <li>Quantitative comparison of spatially resolved (NIRISS) and spectrally resolved (NIRSPEC) spectroscopy;</li> <li>Object based interactive exploration tools for multi-instrument datasets;</li> <li>Interface for easy forced extraction of slitless spectra based on coordinates;</li> <li>UV-optical spectroscopic templates of high redshift galaxies; and</li> <li>NIRCAM parallel catalogs and a list of 26 z>=9 dropouts for spectroscopic follow-up in Cycle 2.</li> </ol> </div> </div> </div> </div><div class="accordion-container panel" role="tablist"> <h4 id="h4-91f9ea2b-21f9-4532-80b3-714be10899ed" data-name="h4-how-will-you-engage-the-user-community" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_5_control" data-toggle="collapse" type="button" aria-label="How Will You Engage the User Community? Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_5_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_5_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">How Will You Engage the User Community?</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_5_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_5_control"> <div class="accordion__content-inner light-background-"> <div><p>We are planning 5 community briefings to be held at STSCI and at the AAS, over a period of two years.</p> </div> </div> </div> </div><div class="accordion-container panel" role="tablist"> <h4 id="h4-c45c4d3e-c5cf-460a-b871-41ac9c8e7a37" data-name="h4-deliverables" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_6_control" data-toggle="collapse" type="button" aria-label="Deliverables Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_6_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_6_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">Deliverables</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_6_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_6_control"> <div class="accordion__content-inner light-background-"> <div><p><a href="https://glass.astro.ucla.edu/ers/index.html" target="_blank">https://glass.astro.ucla.edu/ers/index.html</a></p> </div> </div> </div> </div><div class="accordion-container panel" role="tablist"> <h4 id="h4-1e54a499-bfbf-4333-ba41-0ac1a05e5b0d" data-name="h4-team-website-url" class="accordion-header"> <button class="accordion__section-toggle collapsed accordion-header" role="tab" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_7_control" data-toggle="collapse" type="button" aria-label="Team Website URL Navigation Section" aria-controls="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_7_section" data-target="#tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_7_section" tabindex="0" aria-expanded="false"> <span class="accordion__title-text">Team Website URL</span> </button> </h4> <div class="accordion__content collapse " role="tabpanel" aria-expanded="false" id="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_7_section" aria-labelledby="tab_cee58c22-84c1-4c9a-bf5e-fe839778acef_7_control"> <div class="accordion__content-inner light-background-"> <div><p><a href="http://glass.astro.ucla.edu/ers/" target="_blank" title="ERS Program 1324 website">http://glass.astro.ucla.edu/ers/</a></p> </div> </div> </div> </div></div> </div></section><div class="credits dark-background-stsci-dark-blue"> <div class="container-fluid"> <div class="row"> <div class="col-xs-12"> <h2 id="h2-sr-only-pre-footer" class="sr-only">Pre-footer</h2> <div class="component-block container-fluid"> <div class="column-layout column-layout--with-dividers"> <div class="column-layout__column col-xs-12 col-md-4"> <div class="subscribe"> <h3 id="h3-2c143eac-4f7b-4d10-b7de-424e755b7bdb" data-name="h3-subscribe-to-the-jwst-observer-news-mailing-list" class="subscribe-header">Subscribe to the JWST Observer News Mailing List</h3> <p>Get the latest news delivered directly to your inbox.</p> <form id="mailing-form-f253740b-8820-4390-9fa9-5892db80652f" method="post" name="email" class="subscribe-input" action="/jwst/science-execution/program-information.verifyRecaptcha.do"> <input type="hidden" name="pagePath" value="/cms/render/live/en/sites/www/home/jwst/science-execution/program-information.verifyRecaptcha.do"/> <input type="hidden" name="nodePath" value="/sites/www/home/jwst/siteSectionPrefooter/site-section-prefooter/jwst-prefooter-1/jwst-prefooter-1-left/subscribe-to-the-jwst-observer-news-mailing-list"/> <input type="hidden" name="chainOfAction" value="email"/> <label for="email-f253740b-8820-4390-9fa9-5892db80652f">Email Address</label> <input type="email" name="subscriber" id="email-f253740b-8820-4390-9fa9-5892db80652f" placeholder="email@example.com" autocomplete="email" required/> <button type="submit" class="btn btn-hexagon submit" data-toggle="modal" data-target="modal" aria-label="Subscribe to the mailing list"> <span>Subscribe</span> </button> </form> </div> <div class="recaptcha-branding"> <div>This site is protected by reCAPTCHA and the Google</div> <div><a href="https://policies.google.com/privacy" target="_blank">Privacy Policy</a> and <a href="https://policies.google.com/terms" target="_blank">Terms of Service</a> apply.</div> </div> <div class="modal fade" id="mailing-list-modal-f253740b-8820-4390-9fa9-5892db80652f" tabindex="-1" role="dialog" aria-modal="true" aria-hidden="true" aria-labelledby="h1-2c143eac-4f7b-4d10-b7de-424e755b7bdb" aria-describedby="modalDesc1-2c143eac-4f7b-4d10-b7de-424e755b7bdb" data-module-dynamic="modal"> <div class="modal-dialog mailing-list-modal" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="btn close" data-dismiss="modal" aria-label="Close" >Close <span class="svg-sprite -close"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#close"></use> </svg> </span> </button> </div><div class="modal-body"> <h1 id="h1-2c143eac-4f7b-4d10-b7de-424e755b7bdb" class="timeline-modal-heading"></h1> <p id="modalDesc1-2c143eac-4f7b-4d10-b7de-424e755b7bdb" class="timeline-modal-description"></p> </div> </div> </div> </div> <script src="https://www.google.com/recaptcha/api.js?render=6Lf1JKUUAAAAADlRmvbTMzYD_fmo83Av-gytnpXw"></script> <script> $(function() { // Setup form validation on the #register-form element $("#mailing-form-f253740b-8820-4390-9fa9-5892db80652f").validate({ // Specify the validation rules rules: { email: { required: true, email: true } }, errorElement: "span", submitHandler: function() { submitForm(); }, errorPlacement: function(error, element) { error.appendTo( $("label[for='" + element.attr('id') + "']") ); element.attr("aria-describedby", error.attr('id')); } }); }); function submitForm() { var $form = $("#mailing-form-f253740b-8820-4390-9fa9-5892db80652f"), formAction = $form.attr("action"), form = $form[0], formData = new FormData(form); completeFormSubmission(); function completeFormSubmission() { grecaptcha.ready(function() { grecaptcha.execute('6Lf1JKUUAAAAADlRmvbTMzYD_fmo83Av-gytnpXw', {action: 'formSubmission'}).then(function(token) { formData.append('g-recaptcha-response', token); formData.append('form-uuid', 'f253740b-8820-4390-9fa9-5892db80652f'); var captchaRequest = $.ajax({ type: 'POST', url: formAction, data: formData, contentType: false, processData: false, dataType: 'json', traditional: true }); captchaRequest.done(function() { var modal = $("#mailing-list-modal-f253740b-8820-4390-9fa9-5892db80652f"); modal.find(".timeline-modal-heading").text("Mailing List Confirmation"); modal.find(".timeline-modal-description").text("Thank you for subscribing! You will receive a confirmation email shortly."); modal.modal('show'); resetForm(); }); function resetForm() { $form.trigger("reset"); } }); }); } } $("#email-f253740b-8820-4390-9fa9-5892db80652f").keydown(function(event) { if (event.keyCode === 13) { event.preventDefault(); submitForm(); } }); </script></div> <div class="column-layout__column col-xs-12 col-md-4"> <div class="component-block container-fluid"> <p style="text-align: center;"><img alt="Webb Space Telescope insignia" class="embedded-img lazyload" data-lazy-srcset="/files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn370 370w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn768 768w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn992 992w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn1200 1200w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn2400 2400w" srcset="/files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn370 370w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn768 768w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn992 992w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn1200 1200w, /files/live/sites/www/files/home/jwst/_images/webb-insignia-white-236px.png?t=tn2400 2400w" sizes="(max-width: 370px) 370px, (max-width: 768px) 768px, (max-width: 992px) 992px, (max-width: 1200px) 1200px, (max-width: 1600px) 1600px, (max-width: 2400px) 2400px, 2400px" height="131" data-img-title="Webb Space Telescope insignia (white)" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" width="238" /></p> <script>hljs.initHighlightingOnLoad();</script> </div></div> <div class="column-layout__column col-xs-12 col-md-4"> <div class="social-media"> <p>Follow JWST Observer on social media:</p> <ul role="list" class="footer__link-list--icons list-inline"> <li> <a href="https://www.facebook.com/JWSTObserver/" target="_blank" aria-label="facebook" class="has-icon"> <span class="svg-sprite -facebook"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#facebook"></use> </svg> </span> </a> </li><li> <a href="https://www.twitter.com/JWSTObserver/" target="_blank" aria-label="x" class="has-icon"> <span class="svg-sprite -x"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#x"></use> </svg> </span> </a> </li><li> <a href="http://www.youtube.com/jwstobserver" target="_blank" aria-label="youtube" class="has-icon"> <span class="svg-sprite -youtube"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#youtube"></use> </svg> </span> </a> </li><li> <a href="https://bsky.app/profile/jwstobserver.bsky.social" target="_blank" aria-label="bluesky" class="has-icon"> <span class="svg-sprite -bluesky"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#bluesky"></use> </svg> </span> </a> </li></ul> </div><div class="component-block container-fluid"> <p> </p> <p>For technical assistance, please contact the <a href="https://jwsthelp.stsci.edu" target="_blank">JWST Help Desk</a>.</p> <p> </p> <script>hljs.initHighlightingOnLoad();</script> </div></div> </div> </div><div class="component-block container-fluid"> <p>The NASA James Webb Space Telescope, developed in partnership with ESA and CSA, is operated by AURA’s Space Telescope Science Institute.</p> <script>hljs.initHighlightingOnLoad();</script> </div></div> </div> </div> </div></main> <div data-module-dynamic="scroll-affix" data-activate-on-scroll="true" class="back-to-top"> <a class="back-to-top-button" href="#body" data-module-dynamic="scroll-to" aria-label="back to top"> <span class="svg-sprite -back-to-top"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#back-to-top"></use> </svg> </span> </a> </div> </section> <footer class="footer dark-background-"> <h2 id="h2-sr-only-footer" class="sr-only">Footer</h2> <div class="container-fluid"> <div class="row"> <nav aria-labelledby="h3-sr-only-3dfaf367-ce4b-41ac-9c54-e8af6192041c"> <h3 id="h3-sr-only-3dfaf367-ce4b-41ac-9c54-e8af6192041c" data-name="h3-sr-only-secondary-navigation" class="sr-only">Secondary Navigation</h3> <div class="col-md-2 hidden-xs hidden-sm footer__logo"> <a href="/home" class=" no-file-icon" > <img alt="Space Telescope Science Institute Logo" src='/files/live/sites/www/files/home/_images/footer/stsci_pri_combo_mark_white_bkgd.png?t=tn370' sizes='(max-width: 370px) 370px,(max-width: 768px) 768px,(max-width: 992px) 992px,(max-width: 1200px) 1200px,(max-width: 1600px) 1600px,(max-width: 2400px) 2400px, 2400px' srcset='/files/live/sites/www/files/home/_images/footer/stsci_pri_combo_mark_white_bkgd.png?t=tn370 370w,/files/live/sites/www/files/home/_images/footer/stsci_pri_combo_mark_white_bkgd.png?t=tn768 768w,/files/live/sites/www/files/home/_images/footer/stsci_pri_combo_mark_white_bkgd.png?t=tn992 992w,/files/live/sites/www/files/home/_images/footer/stsci_pri_combo_mark_white_bkgd.png?t=tn1200 1200w,/files/live/sites/www/files/home/_images/footer/stsci_pri_combo_mark_white_bkgd.png?t=tn1600 1600w,/files/live/sites/www/files/home/_images/footer/stsci_pri_combo_mark_white_bkgd.png?t=tn2400 2400w ' /></a></div> <ul role="list" class="footer__link-list list-inline col-md-5"> <li><a href="/who-we-are" class="" target="_self"> Who We Are</a></li> <li><a href="/events/webcasts" class="" target="_self"> Webcasts</a></li> <li><a href="http://archive.stsci.edu/" class="" target="_blank"> MAST</a></li> <li><a href="/news" class="" target="_self"> News Center</a></li> <li><a href="https://proper.stsci.edu/proper/authentication/auth" class="" target="_blank"> MyST</a></li> <li><a href="/contact" class="" target="_self"> Contact Us</a></li> <li><a href="/opportunities" class="" target="_self"> Opportunities</a></li> <li><a href="/events" class="" target="_self"> Events</a></li> <li><a href="/site-map" class="" target="_self"> Sitemap</a></li> </ul> </nav><nav class="col-xs-12 col-md-4" aria-labelledby="h3-sr-only-a3d205b7-ff35-46f2-b3ac-213cc9dd832c"> <h3 id="h3-sr-only-a3d205b7-ff35-46f2-b3ac-213cc9dd832c" data-name="h3-sr-only-social-media" class="sr-only">Social Media</h3> <ul role="list" class="footer__link-list--icons list-inline"> <li> <a href="https://www.facebook.com/stsci/" target="_blank" aria-label="facebook" class="has-icon"> <span class="svg-sprite -facebook"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#facebook"></use> </svg> </span> </a> </li><li> <a href="https://twitter.com/spacetelescope" target="_blank" aria-label="x" class="has-icon"> <span class="svg-sprite -x"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#x"></use> </svg> </span> </a> </li><li> <a href="https://www.instagram.com/space_telescopes" target="_blank" aria-label="instagram" class="has-icon"> <span class="svg-sprite -instagram"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#instagram"></use> </svg> </span> </a> </li><li> <a href="https://www.youtube.com/channel/UCQXVf-94-RV7NVTOhVCNTiQ" target="_blank" aria-label="youtube" class="has-icon"> <span class="svg-sprite -youtube"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#youtube"></use> </svg> </span> </a> </li><li> <a href="https://bsky.app/profile/spacetelescope.bsky.social" target="_blank" aria-label="bluesky" class="has-icon"> <span class="svg-sprite -bluesky"> <svg role="img" focusable="false" aria-hidden="true"> <use xlink:href="#bluesky"></use> </svg> </span> </a> </li></ul> </nav><nav class="col-xs-12 col-md-4" aria-labelledby="h3-sr-only-90f8eefd-823f-4712-9340-23bd8020378e"> <h3 id="h3-sr-only-90f8eefd-823f-4712-9340-23bd8020378e" data-name="h3-sr-only-utility-navigation" class="sr-only">Utility Navigation</h3> <ul role="list"class="footer__link-list list-inline footer__link-list__utility"> <li><a href="/copyright" class="" target="_self"> Copyright</a></li> <li><a href="/privacy" class="" target="_self"> Privacy</a></li> <li><a href="/accessibility-statement" class="" target="_self"> Accessibility</a></li> </ul> </nav><div class="logo-container"> </div></div> </div> </footer> </div> <div id="spriteSheet" class="svg-sprite-sheet sr-only" aria-hidden="true"> </div>  <script> $(function(){ let svg; svg = "/modules/stsci-www-assets/assets/svg/www-e8e93e5694.svg"; $("#spriteSheet").load(svg, function() { $('.animate-icon').trigger('spriteSheetLoaded') }); }); </script>  <script src="//vjs.zencdn.net/8.5.2/video.min.js"></script> </body> </html>