WFC3 Instrument Handbook - HST User Documentation

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margin-bottom: 8px; table-layout: fixed; width: 100%;" class="conf-macro output-block" data-hasbody="true" data-macro-name="sp-pagelayout"> <div style="display: table-cell; margin: 8px 0; padding: 0 10px; vertical-align: top; word-wrap: break-word; width: auto;"> <div style="display: block; overflow-x: auto;"> <p><em>Version 17.0</em> – December 2024<em><br></em><a data-macro-name="sp-plaintextbody-link" href="/wfc3ihb/files/148522437/148522438/1/1735591962687/wfc3ihb.pdf" class="conf-macro output-inline" data-hasbody="true">PDF version</a><em><br></em></p><h1 id="WFC3InstrumentHandbook-WideFieldCamera3InstrumentHandbookforCycle33">Wide Field Camera 3 Instrument Handbook for Cycle 33</h1><p><br></p><div class="noprint conf-macro output-block" data-hasbody="true" data-macro-name="noprint"><div class="plugin_pagetree conf-macro output-inline" data-hasbody="false" data-macro-name="pagetree"> <div id="pagetreesearch"> <form method="POST" class="aui" action="/plugins/pagetreesearch/pagetreesearch.action" name="pagetreesearchform"> <input type="hidden" name="atl_token" value="63c910b251c4db2a2a2cb79759011aae3b6a4d15"> <input type="hidden" name="ancestorId" value="148522437"> <input type="hidden" name="spaceKey" value="WFC3IHB"> <input type="text" class="text medium-field" size="20" name="queryString"> <input type="submit" class="aui-button" value="Search"> </form> </div> <div> <span class="plugin_pagetree_status hidden">Collapse all</span> <div class="plugin_pagetree_expandcollapse"> <a rel="nofollow" class="plugin_pagetree_expandall" href="#">Expand all</a>   <a rel="nofollow" class="plugin_pagetree_collapseall" href="#">Collapse all</a> </div> </div> <ul role="list" aria-busy="true" class="plugin_pagetree_children_list plugin_pagetree_children_list_noleftspace"> <div class="plugin_pagetree_children"> </div> </ul> <fieldset class="hidden"> <input type="hidden" name="treeId" value=""> <input type="hidden" name="treeRequestId" value="/plugins/pagetree/naturalchildren.action?decorator=none&excerpt=false&sort=position&reverse=false&disableLinks=false&expandCurrent=false&placement="> <input type="hidden" name="treePageId" value="148522437"> <input type="hidden" name="noRoot" value="false"> <input type="hidden" name="rootPageId" value="148522437"> <input type="hidden" name="rootPage" value=""> <input type="hidden" name="startDepth" value="0"> <input type="hidden" name="spaceKey" value="WFC3IHB"> <input type="hidden" name="i18n-pagetree.loading" value="Loading..."> <input type="hidden" name="i18n-pagetree.error.permission" value="Unable to load page tree. 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Wong, Cheryl Pavlovsky, Knox S. Long</span></p></td></tr><tr><td class="confluenceTd"><p><span>2.0</span></p></td><td class="confluenceTd"><p><span>January 2010</span></p></td><td class="confluenceTd"><p><span>Michael H. Wong, Cheryl Pavlovsky, Knox S. Long</span></p></td></tr><tr><td class="confluenceTd"><p><span>1.0</span></p></td><td class="confluenceTd"><p><span>December 2007</span></p></td><td class="confluenceTd"><p><span>Howard E. Bond and Jessica Kim Quijano</span></p></td></tr></tbody></table></div><h1 id="WFC3InstrumentHandbook-Citation">Citation</h1><p>In publications, refer to this document as:</p><ul><li>Marinelli, M. & Green, J. 2024. “Wide Field Camera 3 Instrument Handbook, Version 17.0” (Baltimore: STScI)</li></ul> </div> </div> </div> <div class="next-prev"> <a href="" id=prev-link>«Previous</a> <a href="" id=next-link>Next»</a> </div> <div class="space-search"> <form action="/dosearchsite.action" class="space-search-form row reverse fill" method="GET" id="space-search-form"> <button class='aui-button aui-button-subtle' type='submit' form='search-form'><span class="aui-icon aui-icon-large aui-iconfont-search">Search</span></button> <input type="text" v-on:keyup="search" class="fill" id="q" autocomplete="off" name="queryString" value="" placeholder="Search WFC3 Instrument Handbook" /> <input type="hidden" name="s" value="*" /> <input type="hidden" id=where name="where" value="WFC3IHB" /> <div id="space-quick-search" class="space-quick-search"> <ul> <li v-for="result in results"> <a :href="result.href" :class="result.className"><span>{{result.name}}</span></a> </li> </ul> </div> </form> </div> <div style="display: table; margin-bottom: 8px; table-layout: fixed; width: 100%;" class="conf-macro output-block" data-hasbody="true" data-macro-name="sp-pagelayout"> <div style="display: table-cell; margin: 8px 0; padding: 0 10px; vertical-align: top; word-wrap: break-word; width: auto;"> <div style="display: block; overflow-x: auto;"> <p></p><div class="pageTree-container conf-macro output-block" data-hasbody="false" data-macro-name="custom-page-tree"> <ul class="pageTree"> <li id="pageTree_148522437" class="pageTreeRoot"> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb"> WFC3 Instrument Handbook </a> <ul id="pagetreelvl2"> <li id="pageTree_148522440" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/acknowledgments">Acknowledgments</a> </li> <li id="pageTree_148522441" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3">Chapter 1: Introduction to WFC3</a> <ul id="pagetreelvl3"> <li id="pageTree_148522442" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3/1-1-new-for-cycle-33">1.1 New for Cycle 33</a> </li> <li id="pageTree_148522443" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3/1-2-overview">1.2. Overview</a> </li> <li id="pageTree_148522444" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3/1-3-key-features-of-wfc3">1.3 Key Features of WFC3</a> </li> <li id="pageTree_148522445" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3/1-4-wfc3-quick-reference-guide">1.4 WFC3 Quick Reference Guide</a> </li> <li id="pageTree_148522446" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3/1-5-special-considerations-for-cycle-33">1.5 Special Considerations for Cycle 33</a> </li> <li id="pageTree_148522447" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3/1-6-sources-of-further-information">1.6 Sources of Further Information</a> </li> <li id="pageTree_148522448" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-1-introduction-to-wfc3/1-7-the-wfc3-instrument-team-at-stsci">1.7 The WFC3 Instrument Team at STScI</a> </li> </ul> </li> <li id="pageTree_148522449" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-2-wfc3-instrument-description">Chapter 2: WFC3 Instrument Description</a> <ul id="pagetreelvl3"> <li id="pageTree_148522450" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-2-wfc3-instrument-description/2-1-optical-design-and-detectors">2.1 Optical Design and Detectors</a> </li> <li id="pageTree_148522454" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-2-wfc3-instrument-description/2-2-field-of-view-and-geometric-distortions">2.2 Field of View and Geometric Distortions</a> </li> <li id="pageTree_148522460" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-2-wfc3-instrument-description/2-3-spectral-elements">2.3 Spectral Elements</a> </li> <li id="pageTree_148522467" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-2-wfc3-instrument-description/2-4-detector-read-out-modes-and-dithering">2.4 Detector Read-Out Modes and Dithering</a> </li> </ul> </li> <li id="pageTree_148522472" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-3-choosing-the-optimum-hst-instrument">Chapter 3: Choosing the Optimum HST Instrument</a> <ul id="pagetreelvl3"> <li id="pageTree_148522473" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-3-choosing-the-optimum-hst-instrument/3-1-overview">3.1 Overview</a> </li> <li id="pageTree_148522474" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-3-choosing-the-optimum-hst-instrument/3-2-choosing-between-instruments">3.2 Choosing Between Instruments</a> </li> <li id="pageTree_148522475" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-3-choosing-the-optimum-hst-instrument/3-3-comparison-of-wfc3-with-other-hst-and-jwst-imaging-instruments">3.3 Comparison of WFC3 with Other HST and JWST Imaging Instruments</a> </li> </ul> </li> <li id="pageTree_148522490" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-4-designing-a-phase-i-wfc3-proposal">Chapter 4: Designing a Phase I WFC3 Proposal</a> <ul id="pagetreelvl3"> <li id="pageTree_148522491" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-4-designing-a-phase-i-wfc3-proposal/4-1-phase-i-and-phase-ii-proposals">4.1 Phase I and Phase II Proposals</a> </li> <li id="pageTree_148522492" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-4-designing-a-phase-i-wfc3-proposal/4-2-preparing-a-phase-i-proposal">4.2 Preparing a Phase I Proposal</a> </li> </ul> </li> <li id="pageTree_148522493" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance">Chapter 5: WFC3 Detector Characteristics and Performance</a> <ul id="pagetreelvl3"> <li id="pageTree_148522494" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance/5-1-overview-of-this-chapter">5.1 Overview of this Chapter</a> </li> <li id="pageTree_148522495" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance/5-2-the-wfc3-uvis-channel-ccd-detectors">5.2 The WFC3 UVIS Channel CCD Detectors</a> </li> <li id="pageTree_148522497" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance/5-3-wfc3-ccd-readout-formats">5.3 WFC3 CCD Readout Formats</a> </li> <li id="pageTree_148522498" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance/5-4-wfc3-ccd-characteristics-and-performance">5.4 WFC3 CCD Characteristics and Performance</a> </li> <li id="pageTree_148522543" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance/5-5-the-wfc3-ir-channel-detector">5.5 The WFC3 IR Channel Detector</a> </li> <li id="pageTree_148522548" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance/5-6-wfc3-ir-readout-formats">5.6 WFC3 IR Readout Formats</a> </li> <li id="pageTree_148522553" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-5-wfc3-detector-characteristics-and-performance/5-7-ir-detector-characteristics-and-performance">5.7 IR Detector Characteristics and Performance</a> </li> </ul> </li> <li id="pageTree_148522568" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3">Chapter 6: UVIS Imaging with WFC3</a> <ul id="pagetreelvl3"> <li id="pageTree_148522569" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-1-wfc3-uvis-imaging">6.1 WFC3 UVIS Imaging</a> </li> <li id="pageTree_148522570" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-2-specifying-a-uvis-observation">6.2 Specifying a UVIS Observation</a> </li> <li id="pageTree_148522571" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-3-uvis-channel-characteristics">6.3 UVIS Channel Characteristics</a> </li> <li id="pageTree_148522572" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-4-uvis-field-geometry">6.4 UVIS Field Geometry</a> </li> <li id="pageTree_148522576" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-5-uvis-spectral-elements">6.5 UVIS Spectral Elements</a> </li> <li id="pageTree_148522597" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-6-uvis-optical-performance">6.6 UVIS Optical Performance</a> </li> <li id="pageTree_148522608" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-7-uvis-exposure-and-readout">6.7 UVIS Exposure and Readout</a> </li> <li id="pageTree_148522611" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-8-uvis-sensitivity">6.8 UVIS Sensitivity</a> </li> <li id="pageTree_148522616" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-9-charge-transfer-efficiency">6.9 Charge Transfer Efficiency</a> </li> <li id="pageTree_148522627" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-10-other-considerations-for-uvis-imaging">6.10 Other Considerations for UVIS Imaging</a> </li> <li id="pageTree_148522634" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-6-uvis-imaging-with-wfc3/6-11-uvis-observing-strategies">6.11 UVIS Observing Strategies</a> </li> </ul> </li> <li id="pageTree_148522638" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3">Chapter 7: IR Imaging with WFC3</a> <ul id="pagetreelvl3"> <li id="pageTree_148522639" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-1-wfc3-ir-imaging">7.1 WFC3 IR Imaging</a> </li> <li id="pageTree_148522640" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-2-specifying-an-ir-observation">7.2 Specifying an IR Observation</a> </li> <li id="pageTree_148522641" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-3-ir-channel-characteristics">7.3 IR Channel Characteristics</a> </li> <li id="pageTree_148522642" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-4-ir-field-geometry">7.4 IR Field Geometry</a> </li> <li id="pageTree_148522646" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-5-ir-spectral-elements">7.5 IR Spectral Elements</a> </li> <li id="pageTree_148522652" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-6-ir-optical-performance">7.6 IR Optical Performance</a> </li> <li id="pageTree_148522658" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-7-ir-exposure-and-readout">7.7 IR Exposure and Readout</a> </li> <li id="pageTree_148522660" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-8-ir-sensitivity">7.8 IR Sensitivity</a> </li> <li id="pageTree_148522662" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-9-other-considerations-for-ir-imaging">7.9 Other Considerations for IR Imaging</a> </li> <li id="pageTree_148522670" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-7-ir-imaging-with-wfc3/7-10-ir-observing-strategies">7.10 IR Observing Strategies</a> </li> </ul> </li> <li id="pageTree_148522672" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-8-slitless-spectroscopy-with-wfc3">Chapter 8: Slitless Spectroscopy with WFC3</a> <ul id="pagetreelvl3"> <li id="pageTree_148522673" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-8-slitless-spectroscopy-with-wfc3/8-1-grism-overview">8.1 Grism Overview</a> </li> <li id="pageTree_148522674" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-8-slitless-spectroscopy-with-wfc3/8-2-slitless-spectroscopy-with-the-uvis-g280-grism">8.2 Slitless Spectroscopy with the UVIS G280 Grism</a> </li> <li id="pageTree_148522679" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-8-slitless-spectroscopy-with-wfc3/8-3-slitless-spectroscopy-with-the-ir-g102-and-g141-grisms">8.3 Slitless Spectroscopy with the IR G102 and G141 Grisms</a> </li> <li id="pageTree_148522687" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-8-slitless-spectroscopy-with-wfc3/8-4-sensitivities-and-exposure-time-estimation">8.4 Sensitivities and Exposure-Time Estimation</a> </li> <li id="pageTree_148522688" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-8-slitless-spectroscopy-with-wfc3/8-5-extraction-and-calibration-of-spectra">8.5 Extraction and Calibration of Spectra</a> </li> <li id="pageTree_148522692" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-8-slitless-spectroscopy-with-wfc3/8-6-slitless-spectroscopy-with-spatial-scanning">8.6 Slitless Spectroscopy with Spatial Scanning</a> </li> </ul> </li> <li id="pageTree_148522696" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation">Chapter 9: WFC3 Exposure-Time Calculation</a> <ul id="pagetreelvl3"> <li id="pageTree_148522697" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-1-overview">9.1 Overview</a> </li> <li id="pageTree_148522698" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-2-the-wfc3-exposure-time-calculator-etc">9.2 The WFC3 Exposure Time Calculator - ETC</a> </li> <li id="pageTree_148522699" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-3-calculating-sensitivities-from-tabulated-data">9.3 Calculating Sensitivities from Tabulated Data</a> </li> <li id="pageTree_148522700" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-4-count-rates-imaging">9.4 Count Rates: Imaging</a> </li> <li id="pageTree_148522701" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-5-count-rates-slitless-spectroscopy">9.5 Count Rates: Slitless Spectroscopy</a> </li> <li id="pageTree_148522702" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-6-estimating-exposure-times">9.6 Estimating Exposure Times</a> </li> <li id="pageTree_148522703" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-7-sky-background">9.7 Sky Background</a> </li> <li id="pageTree_148522707" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-8-interstellar-extinction">9.8 Interstellar Extinction</a> </li> <li id="pageTree_148522708" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-9-wfc3-exposure-time-calculation/9-9-exposure-time-calculation-examples">9.9 Exposure-Time Calculation Examples</a> </li> </ul> </li> <li id="pageTree_148522709" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/chapter-10-overheads-and-orbit-time-determinations">Chapter 10: Overheads and Orbit Time Determinations</a> <ul id="pagetreelvl3"> <li id="pageTree_148522710" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-10-overheads-and-orbit-time-determinations/10-1-overview">10.1 Overview</a> </li> <li id="pageTree_148522711" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-10-overheads-and-orbit-time-determinations/10-2-observatory-overheads">10.2 Observatory Overheads</a> </li> <li id="pageTree_148522712" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-10-overheads-and-orbit-time-determinations/10-3-instrument-overheads">10.3 Instrument Overheads</a> </li> <li id="pageTree_148522713" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/chapter-10-overheads-and-orbit-time-determinations/10-4-orbit-use-examples">10.4 Orbit Use Examples</a> </li> </ul> </li> <li id="pageTree_148522714" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs">Appendix A: WFC3 Filter Throughputs</a> <ul id="pagetreelvl3"> <li id="pageTree_148522715" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-1-introduction">A.1 Introduction</a> </li> <li id="pageTree_148522716" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data">A.2 Throughputs and Signal-to-Noise Ratio Data</a> <ul id="pagetreelvl4"> <li id="pageTree_148522717" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f200lp">UVIS F200LP</a> </li> <li id="pageTree_148522722" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f218w">UVIS F218W</a> </li> <li id="pageTree_148522727" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f225w">UVIS F225W</a> </li> <li id="pageTree_148522733" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f275w">UVIS F275W</a> </li> <li id="pageTree_148522738" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f280n">UVIS F280N</a> </li> <li id="pageTree_148522743" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f300x">UVIS F300X</a> </li> <li id="pageTree_148522748" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f336w">UVIS F336W</a> </li> <li id="pageTree_148522753" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f343n">UVIS F343N</a> </li> <li id="pageTree_148522758" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f350lp">UVIS F350LP</a> </li> <li id="pageTree_148522763" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f373n">UVIS F373N</a> </li> <li id="pageTree_148522768" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f390m">UVIS F390M</a> </li> <li id="pageTree_148522776" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f390w">UVIS F390W</a> </li> <li id="pageTree_148522781" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f395n">UVIS F395N</a> </li> <li id="pageTree_148522786" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f410m">UVIS F410M</a> </li> <li id="pageTree_148522791" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f438w">UVIS F438W</a> </li> <li id="pageTree_148522796" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f467m">UVIS F467M</a> </li> <li id="pageTree_148522801" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f469n">UVIS F469N</a> </li> <li id="pageTree_148522806" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f475w">UVIS F475W</a> </li> <li id="pageTree_148522814" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f475x">UVIS F475X</a> </li> <li id="pageTree_148522819" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f487n">UVIS F487N</a> </li> <li id="pageTree_148522824" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f502n">UVIS F502N</a> </li> <li id="pageTree_148522829" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f547m">UVIS F547M</a> </li> <li id="pageTree_148522834" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f555w">UVIS F555W</a> </li> <li id="pageTree_148522839" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f600lp">UVIS F600LP</a> </li> <li id="pageTree_148522844" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f606w">UVIS F606W</a> </li> <li id="pageTree_148522849" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f621m">UVIS F621M</a> </li> <li id="pageTree_148522854" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f625w">UVIS F625W</a> </li> <li id="pageTree_148522859" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f631n">UVIS F631N</a> </li> <li id="pageTree_148522864" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f645n">UVIS F645N</a> </li> <li id="pageTree_148522869" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f656n">UVIS F656N</a> </li> <li id="pageTree_148522874" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f657n">UVIS F657N</a> </li> <li id="pageTree_148522879" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f658n">UVIS F658N</a> </li> <li id="pageTree_148522884" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f665n">UVIS F665N</a> </li> <li id="pageTree_148522889" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f673n">UVIS F673N</a> </li> <li id="pageTree_148522894" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f680n">UVIS F680N</a> </li> <li id="pageTree_148522899" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f689m">UVIS F689M</a> </li> <li id="pageTree_148522904" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f763m">UVIS F763M</a> </li> <li id="pageTree_148522909" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f775w">UVIS F775W</a> </li> <li id="pageTree_148522914" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f814w">UVIS F814W</a> </li> <li id="pageTree_148522919" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f845m">UVIS F845M</a> </li> <li id="pageTree_148522924" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f850lp">UVIS F850LP</a> </li> <li id="pageTree_148522929" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-f953n">UVIS F953N</a> </li> <li id="pageTree_148522934" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq232n">UVIS FQ232N</a> </li> <li id="pageTree_148522939" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq243n">UVIS FQ243N</a> </li> <li id="pageTree_148522944" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq378n">UVIS FQ378N</a> </li> <li id="pageTree_148522948" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq387n">UVIS FQ387N</a> </li> <li id="pageTree_148522953" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq422m">UVIS FQ422M</a> </li> <li id="pageTree_148522958" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq436n">UVIS FQ436N</a> </li> <li id="pageTree_148522963" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq437n">UVIS FQ437N</a> </li> <li id="pageTree_148522968" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq492n">UVIS FQ492N</a> </li> <li id="pageTree_148522973" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq508n">UVIS FQ508N</a> </li> <li id="pageTree_148522978" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq575n">UVIS FQ575N</a> </li> <li id="pageTree_148522983" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq619n">UVIS FQ619N</a> </li> <li id="pageTree_148522988" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq634n">UVIS FQ634N</a> </li> <li id="pageTree_148522993" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq672n">UVIS FQ672N</a> </li> <li id="pageTree_148522998" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq674n">UVIS FQ674N</a> </li> <li id="pageTree_148523003" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq727n">UVIS FQ727N</a> </li> <li id="pageTree_148523008" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq750n">UVIS FQ750N</a> </li> <li id="pageTree_148523013" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq889n">UVIS FQ889N</a> </li> <li id="pageTree_148523018" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq906n">UVIS FQ906N</a> </li> <li id="pageTree_148523023" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq924n">UVIS FQ924N</a> </li> <li id="pageTree_148523028" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/uvis-fq937n">UVIS FQ937N</a> </li> <li id="pageTree_148523033" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f098m">IR F098M</a> </li> <li id="pageTree_148523038" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f105w">IR F105W</a> </li> <li id="pageTree_148523043" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f110w">IR F110W</a> </li> <li id="pageTree_148523048" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f125w">IR F125W</a> </li> <li id="pageTree_148523053" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f126n">IR F126N</a> </li> <li id="pageTree_148523058" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f127m">IR F127M</a> </li> <li id="pageTree_148523063" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f128n">IR F128N</a> </li> <li id="pageTree_148523068" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f130n">IR F130N</a> </li> <li id="pageTree_148523073" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f132n">IR F132N</a> </li> <li id="pageTree_148523078" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f139m">IR F139M</a> </li> <li id="pageTree_148523083" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f140w">IR F140W</a> </li> <li id="pageTree_148523088" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f153m">IR F153M</a> </li> <li id="pageTree_148523093" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f160w">IR F160W</a> </li> <li id="pageTree_148523098" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f164n">IR F164N</a> </li> <li id="pageTree_148523103" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-a-wfc3-filter-throughputs/a-2-throughputs-and-signal-to-noise-ratio-data/ir-f167n">IR F167N</a> </li> </ul> </li> </ul> </li> <li id="pageTree_148523108" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/appendix-b-geometric-distortion">Appendix B: Geometric Distortion</a> <ul id="pagetreelvl3"> <li id="pageTree_148523109" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-b-geometric-distortion/b-1-overview">B.1 Overview</a> </li> <li id="pageTree_148523110" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-b-geometric-distortion/b-2-uvis-channel">B.2 UVIS Channel</a> </li> <li id="pageTree_148523113" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-b-geometric-distortion/b-3-ir-channel">B.3 IR Channel</a> </li> </ul> </li> <li id="pageTree_148523116" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/appendix-c-dithering-and-mosaicking">Appendix C: Dithering and Mosaicking</a> <ul id="pagetreelvl3"> <li id="pageTree_148523117" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-c-dithering-and-mosaicking/c-1-why-mosaicking-and-dithering-are-needed">C.1 Why Mosaicking and Dithering are Needed</a> </li> <li id="pageTree_148523118" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-c-dithering-and-mosaicking/c-2-wfc3-patterns">C.2 WFC3 Patterns</a> </li> </ul> </li> <li id="pageTree_148523120" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/appendix-d-bright-object-constraints-and-image-persistence">Appendix D: Bright-Object Constraints and Image Persistence</a> <ul id="pagetreelvl3"> <li id="pageTree_148523121" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-d-bright-object-constraints-and-image-persistence/d-1-uvis-channel">D.1 UVIS Channel</a> </li> <li id="pageTree_148523122" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-d-bright-object-constraints-and-image-persistence/d-2-ir-channel">D.2 IR Channel</a> </li> </ul> </li> <li id="pageTree_148523123" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data">Appendix E: Reduction and Calibration of WFC3 Data</a> <ul id="pagetreelvl3"> <li id="pageTree_148523124" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-1-overview">E.1 Overview</a> </li> <li id="pageTree_148523125" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-2-the-stsci-reduction-and-calibration-pipeline">E.2 The STScI Reduction and Calibration Pipeline</a> </li> <li id="pageTree_148523126" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-3-the-smov-calibration-plan">E.3 The SMOV Calibration Plan</a> </li> <li id="pageTree_148523127" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-4-the-cycle-17-calibration-plan">E.4 The Cycle 17 Calibration Plan</a> </li> <li id="pageTree_148523128" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-5-the-cycle-18-calibration-plan">E.5 The Cycle 18 Calibration Plan</a> </li> <li id="pageTree_148523129" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-6-the-cycle-19-calibration-plan">E.6 The Cycle 19 Calibration Plan</a> </li> <li id="pageTree_148523130" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-7-the-cycle-20-calibration-plan">E.7 The Cycle 20 Calibration Plan</a> </li> <li id="pageTree_148523131" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-8-the-cycle-21-calibration-plan">E.8 The Cycle 21 Calibration Plan</a> </li> <li id="pageTree_148523132" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-9-the-cycle-22-calibration-plan">E.9 The Cycle 22 Calibration Plan</a> </li> <li id="pageTree_148523133" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-10-the-cycle-23-calibration-plan">E.10 The Cycle 23 Calibration Plan</a> </li> <li id="pageTree_148523134" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-11-the-cycle-24-calibration-plan">E.11 The Cycle 24 Calibration Plan</a> </li> <li id="pageTree_148523135" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-12-the-cycle-25-calibration-plan">E.12 The Cycle 25 Calibration Plan</a> </li> <li id="pageTree_148523136" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-13-the-cycle-26-calibration-plan">E.13 The Cycle 26 Calibration Plan</a> </li> <li id="pageTree_148523137" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-14-the-cycle-27-calibration-plan">E.14 The Cycle 27 Calibration Plan</a> </li> <li id="pageTree_148523138" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-15-the-cycle-28-calibration-plan">E.15 The Cycle 28 Calibration Plan</a> </li> <li id="pageTree_148523139" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-16-the-cycle-29-calibration-plan">E.16 The Cycle 29 Calibration Plan</a> </li> <li id="pageTree_148523140" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-17-the-cycle-30-calibration-plan">E.17 The Cycle 30 Calibration Plan</a> </li> <li id="pageTree_148523142" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-18-the-cycle-31-calibration-plan">E.18 The Cycle 31 Calibration Plan</a> </li> <li id="pageTree_148523144" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/appendix-e-reduction-and-calibration-of-wfc3-data/e-19-the-cycle-32-calibration-plan">E.19 The Cycle 32 Calibration Plan</a> </li> </ul> </li> <li id="pageTree_148523146" class=""> <span class="no-children">•</span> <a href="/wfc3ihb/glossary">Glossary</a> </li> </ul> </li> </ul> </div><p></p> </div> </div> </div> </section> </div> <div class="row reverse labels"> </div> </div> <div class="sidenav col-12 col-dt-4 col-lg-3"> <a href="" class="close-sidebar hidden-dt hidden-lg"><span class="aui-icon aui-icon-small aui-iconfont-cross">Close Menu</span></a> <div class="flex-column"> <div class="sidebar-box"> <div style="display: table; margin-bottom: 8px; table-layout: fixed; width: 100%;" class="conf-macro output-block" data-hasbody="true" 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class="pageTree"> <li id="pageTree_148639929" class="pageTreeRoot"> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp"> HST Proposal Opportunities and Science Policies </a> <ul id="pagetreelvl2"> <li id="pageTree_148639939" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33">Hubble Space Telescope Call for Proposals for Cycle 33</a> <ul id="pagetreelvl3"> <li id="pageTree_148639949" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-new-and-important-features">HST New and Important Features</a> </li> <li id="pageTree_148639950" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-proposal-checklist">HST Proposal Checklist</a> </li> <li id="pageTree_148639951" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-anonymous-proposal-reviews">HST Anonymous Proposal Reviews</a> </li> <li id="pageTree_148639953" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-general-information-resources-documentation-and-tools">HST General Information, Resources, Documentation, and Tools</a> </li> <li id="pageTree_148639954" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-proposal-submission-policies">HST Proposal Submission Policies</a> </li> <li id="pageTree_148639955" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-proposal-categories">HST Proposal Categories</a> </li> <li id="pageTree_148639958" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-special-initiatives">HST Special Initiatives</a> </li> <li id="pageTree_148639961" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-observation-types">HST Observation Types</a> </li> <li id="pageTree_148639963" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-data-rights-and-duplications">HST Data Rights and Duplications</a> </li> <li id="pageTree_148639964" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-proposal-selection-procedures">HST Proposal Selection Procedures</a> </li> <li id="pageTree_148639966" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-guidelines-and-checklist-for-phase-i-proposal-preparation">HST Guidelines and Checklist for Phase I Proposal Preparation</a> </li> <li id="pageTree_148639967" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-filling-out-the-apt-phase-i-proposal-form">HST Filling Out the APT Phase I Proposal Form</a> </li> <li id="pageTree_148639968" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-preparation-of-the-pdf-attachment">HST Preparation of the PDF Attachment</a> </li> <li id="pageTree_148639986" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-proposal-implementation-and-execution">HST Proposal Implementation and Execution</a> </li> <li id="pageTree_148639987" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/hst-grant-funding-and-budget-submissions">HST Grant Funding and Budget Submissions</a> </li> <li id="pageTree_148639990" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/appendix-a-contact-information">Appendix A: Contact Information</a> </li> <li id="pageTree_148639991" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/appendix-b-science-keywords">Appendix B: Science Keywords</a> </li> <li id="pageTree_148639992" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/appendix-c-glossary-of-acronyms-and-abbreviations">Appendix C: Glossary of Acronyms and Abbreviations</a> </li> <li id="pageTree_148639993" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-call-for-proposals-for-cycle-33/appendix-d-internet-links">Appendix D: Internet Links</a> </li> </ul> </li> <li id="pageTree_148639994" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33">The Hubble Space Telescope Primer for Cycle 33</a> <ul id="pagetreelvl3"> <li id="pageTree_148639995" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-resources-tools-and-other-documentation">HST Primer: Resources, Tools, and Other Documentation</a> </li> <li id="pageTree_148639996" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-system-overview">HST Primer: System Overview</a> </li> <li id="pageTree_148639999" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-orbital-constraints">HST Primer: Orbital Constraints</a> </li> <li id="pageTree_148640000" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-pointing-orientation-and-roll-constraints">HST Primer: Pointing, Orientation, and Roll Constraints</a> </li> <li id="pageTree_148640001" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-data-storage-and-transmission">HST Primer: Data Storage and Transmission</a> </li> <li id="pageTree_148640002" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-optical-performance-guiding-performance-and-observing-efficiency">HST Primer: Optical Performance, Guiding Performance, and Observing Efficiency</a> </li> <li id="pageTree_148640003" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-scientific-instruments-acs-wfc3-and-fgs">HST Primer: Scientific Instruments ACS, WFC3, and FGS</a> </li> <li id="pageTree_148640004" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-scientific-instrument-cos">HST Primer: Scientific Instrument COS</a> </li> <li id="pageTree_148640010" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-scientific-instrument-stis">HST Primer: Scientific Instrument STIS</a> </li> <li id="pageTree_148640011" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-additional-observing-modes">HST Primer: Additional Observing Modes</a> </li> <li id="pageTree_148640012" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-scientific-instrument-comparisons">HST Primer: Scientific Instrument Comparisons</a> </li> <li id="pageTree_148640019" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-observing-considerations">HST Primer: Observing Considerations</a> </li> <li id="pageTree_148640020" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-orbit-calculation-overview">HST Primer: Orbit Calculation Overview</a> </li> <li id="pageTree_148640021" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-orbital-visibility-acquisition-times-and-overheads">HST Primer: Orbital Visibility, Acquisition Times, and Overheads</a> </li> <li id="pageTree_148640022" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-orbit-calculation-examples">HST Primer: Orbit Calculation Examples</a> </li> <li id="pageTree_148640023" class=""> <span class="no-children">•</span> <a href="/hsp/the-hubble-space-telescope-primer-for-cycle-33/hst-primer-data-processing-and-the-hst-data-archive">HST Primer: Data Processing and the HST Data Archive</a> </li> </ul> </li> <li id="pageTree_148640024" class=""> <span class="no-children">•</span> <a href="/hsp/hst-phase-i-proposal-roadmap">HST Phase I Proposal Roadmap</a> </li> <li id="pageTree_148640028" class=""> <span class="no-children">•</span> <a href="/hsp/hst-phase-ii-proposal-roadmap">HST Phase II Proposal Roadmap</a> </li> <li id="pageTree_148640029" class=""> <span class="no-children">•</span> <a href="/hsp/hst-cycle-32-director-s-discretionary-time-submission">HST Cycle 32 Director's Discretionary Time Submission</a> </li> <li id="pageTree_148640030" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hst-general-science-policies">HST General Science Policies</a> <ul id="pagetreelvl3"> <li id="pageTree_148640031" class=""> <span class="no-children">•</span> <a href="/hsp/hst-general-science-policies/targets-of-opportunity-and-director-s-discretionary-programs">Targets of Opportunity and Director's Discretionary Programs</a> </li> <li id="pageTree_148640032" class=""> <span class="no-children">•</span> <a href="/hsp/hst-general-science-policies/review-and-implementation-of-target-of-opportunity-and-directors-discretionary-time-observations">Review and Implementation of Target of Opportunity and Director’s Discretionary Time Observations</a> </li> <li id="pageTree_148640035" class=""> <span class="no-children">•</span> <a href="/hsp/hst-general-science-policies/telescope-time-review-board">Telescope Time Review Board</a> </li> <li id="pageTree_148640036" class=""> <span class="no-children">•</span> <a href="/hsp/hst-general-science-policies/hst-duplication-policy">HST Duplication Policy</a> </li> <li id="pageTree_148640037" class=""> <span class="no-children">•</span> <a href="/hsp/hst-general-science-policies/nasa-hubble-operational-paradigm-change-review-and-hubble-observations">NASA Hubble Operational Paradigm Change Review and Hubble Observations</a> </li> <li id="pageTree_148640038" class=""> <span class="no-children">•</span> <a href="/hsp/hst-general-science-policies/reduced-gyro-mode-tips-and-resources">Reduced Gyro Mode Tips and Resources</a> </li> </ul> </li> <li id="pageTree_148640039" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information">Hubble Space Telescope Science Policies Group and Peer Review Information</a> <ul id="pagetreelvl3"> <li id="pageTree_148640076" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/hst-peer-review-guide">HST Peer Review Guide</a> <ul id="pagetreelvl4"> <li id="pageTree_148640078" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/hst-peer-review-guide/discussion-panelists">Discussion Panelists</a> </li> <li id="pageTree_148640080" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/hst-peer-review-guide/external-panelists">External Panelists</a> </li> <li id="pageTree_148640082" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/hst-peer-review-guide/executive-committee-panelists">Executive Committee Panelists</a> </li> <li id="pageTree_148640085" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/hst-peer-review-guide/panel-support-scientists">Panel Support Scientists</a> </li> </ul> </li> <li id="pageTree_148640087" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started">General Info & Getting Started</a> <ul id="pagetreelvl4"> <li id="pageTree_148640089" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/code-of-conduct">Code of Conduct</a> </li> <li id="pageTree_148640090" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/confidentiality">Confidentiality</a> </li> <li id="pageTree_148640091" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/conflicts-of-interest">Conflicts of Interest</a> </li> <li id="pageTree_148640093" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/hubble-and-its-instruments">Hubble and its Instruments</a> </li> <li id="pageTree_148640107" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/proposal-types-sizes-and-science-areas">Proposal Types, Sizes and Science Areas</a> </li> <li id="pageTree_148640109" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/hst-duplication-policies-for-the-tac">HST Duplication Policies for the TAC</a> </li> <li id="pageTree_148640110" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/tips-for-a-smooth-review">Tips for a Smooth Review</a> </li> <li id="pageTree_148640112" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/who-to-contact-for-help">Who to Contact for Help</a> </li> <li id="pageTree_148640114" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/general-info-getting-started/orientation-materials">Orientation Materials</a> </li> </ul> </li> <li id="pageTree_148640171" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments">Reviews, Grades & Comments</a> <ul id="pagetreelvl4"> <li id="pageTree_148640173" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide">SPIRIT WebReviewer Tool Guide</a> <ul id="pagetreelvl5"> <li id="pageTree_148640175" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/application-sign-in">Application Sign-In</a> </li> <li id="pageTree_148640178" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/viewing-panel-assignments-and-resources">Viewing Panel Assignments and Resources</a> </li> <li id="pageTree_148640186" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/navigating-and-viewing-panel-proposals">Navigating and Viewing Panel Proposals</a> </li> <li id="pageTree_148640192" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/grading-by-worksheet">Grading by Worksheet</a> </li> <li id="pageTree_148640195" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/entering-a-proposal-grade">Entering A Proposal Grade</a> </li> <li id="pageTree_148640198" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/entering-a-proposal-review">Entering A Proposal Review</a> </li> <li id="pageTree_148640203" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/entering-private-notes">Entering Private Notes</a> </li> <li id="pageTree_148640206" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/entering-shared-remarks">Entering Shared Remarks</a> </li> <li id="pageTree_148640210" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/submitting-a-final-review">Submitting A Final Review</a> </li> <li id="pageTree_148640214" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/viewing-final-ranking">Viewing Final Ranking</a> </li> <li id="pageTree_148640218" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/spirit-webreviewer-tool-guide/viewing-spirit-notifications">Viewing SPIRIT Notifications</a> </li> </ul> </li> <li id="pageTree_148640226" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/dual-anonymous-proposals-guide-for-reviewers">Dual Anonymous Proposals Guide for Reviewers</a> </li> <li id="pageTree_148640227" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/selection-criteria-and-scoring-system">Selection Criteria and Scoring System</a> </li> <li id="pageTree_148640229" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/reviews-grades-comments/proposal-feedback-comments">Proposal Feedback Comments</a> </li> </ul> </li> <li id="pageTree_148640230" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings">Panel Meetings</a> <ul id="pagetreelvl4"> <li id="pageTree_148640232" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/webex-and-slack-guidelines">Webex and Slack Guidelines</a> </li> <li id="pageTree_148640234" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/primary-secondary-reviewers-graders">Primary / Secondary Reviewers & Graders</a> </li> <li id="pageTree_148640235" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/triage-process-discussion-list">Triage Process & Discussion List</a> </li> <li id="pageTree_148640237" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/preparing-for-the-panel-meeting">Preparing for the Panel Meeting</a> </li> <li id="pageTree_148640238" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/guidelines-for-panel-chairs-and-vice-chairs">Guidelines for Panel Chairs and Vice Chairs</a> </li> <li id="pageTree_148640240" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/virtual-panel-meetings">Virtual Panel Meetings</a> </li> <li id="pageTree_148640241" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/final-ranking">Final Ranking</a> </li> <li id="pageTree_148640246" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/large-treasury-legacy-proposals">Large, Treasury, & Legacy Proposals</a> </li> <li id="pageTree_148640247" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/executive-committee">Executive Committee</a> </li> <li id="pageTree_148640248" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/panel-meetings/executive-committee-expert-reviews">Executive Committee Expert Reviews</a> </li> </ul> </li> <li id="pageTree_148640249" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/stsci-staff">STScI Staff</a> <ul id="pagetreelvl4"> <li id="pageTree_148640250" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/stsci-staff/role-of-panel-support-scientists">Role of Panel Support Scientists</a> </li> <li id="pageTree_148640251" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/stsci-staff/role-of-levelers">Role of Levelers</a> </li> <li id="pageTree_148640252" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/stsci-staff/panel-advisors-and-observers">Panel Advisors and Observers</a> </li> <li id="pageTree_148640253" class=""> <span class="no-children">•</span> <a href="/hsp/hubble-space-telescope-science-policies-group-and-peer-review-information/stsci-staff/science-policies-group-spg-members">Science Policies Group (SPG) Members</a> </li> </ul> </li> </ul> </li> <li id="pageTree_148640254" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/past-hst-proposal-opportunities">Past HST Proposal Opportunities</a> <ul id="pagetreelvl3"> <li id="pageTree_148640258" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hst-cycle-31-mid-cycle-time-submission">HST Cycle 31 Mid-Cycle Time Submission</a> </li> <li id="pageTree_148640259" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27">Hubble Space Telescope Call for Proposals for Cycle 27</a> <ul id="pagetreelvl4"> <li id="pageTree_148640261" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-new-and-important-features">HST Cycle 27 New and Important Features</a> </li> <li id="pageTree_148640262" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-anonymous-proposal-reviews">HST Cycle 27 Anonymous Proposal Reviews</a> </li> <li id="pageTree_148640263" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-general-information-resources-documentation-and-tools">HST Cycle 27 General Information, Resources, Documentation, and Tools</a> </li> <li id="pageTree_148640264" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-proposal-submission-policies">HST Cycle 27 Proposal Submission Policies</a> </li> <li id="pageTree_148640265" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-proposal-categories">HST Cycle 27 Proposal Categories</a> </li> <li id="pageTree_148640268" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-special-initiatives">HST Cycle 27 Special Initiatives</a> </li> <li id="pageTree_148640270" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-observation-types-and-special-requirements">HST Cycle 27 Observation Types and Special Requirements</a> </li> <li id="pageTree_148640271" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-data-rights-and-duplications">HST Cycle 27 Data Rights and Duplications</a> </li> <li id="pageTree_148640272" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-proposal-selection-procedures">HST Cycle 27 Proposal Selection Procedures</a> </li> <li id="pageTree_148640274" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-guidelines-and-checklist-for-phase-i-proposal-preparation">HST Cycle 27 Guidelines and Checklist for Phase I Proposal Preparation</a> </li> <li id="pageTree_148640275" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-filling-out-the-apt-proposal-form">HST Cycle 27 Filling Out the APT Proposal Form</a> </li> <li id="pageTree_148640276" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-preparation-of-the-pdf-attachment">HST Cycle 27 Preparation of the PDF Attachment</a> </li> <li id="pageTree_148640290" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-proposal-implementation-and-execution">HST Cycle 27 Proposal Implementation and Execution</a> </li> <li id="pageTree_148640291" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-grant-funding-and-budget-submissions">HST Cycle 27 Grant Funding and Budget Submissions</a> </li> <li id="pageTree_148640294" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-appendix-a-contact-information">HST Cycle 27 Appendix A: Contact Information</a> </li> <li id="pageTree_148640295" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-appendix-b-scientific-keywords">HST Cycle 27 Appendix B: Scientific Keywords</a> </li> <li id="pageTree_148640296" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-appendix-c-glossary-of-acronyms-and-abbreviations">HST Cycle 27 Appendix C: Glossary of Acronyms and Abbreviations</a> </li> <li id="pageTree_148640297" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-appendix-d-internet-links">HST Cycle 27 Appendix D: Internet Links</a> </li> <li id="pageTree_148640298" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-27/hst-cycle-27-mid-cycle-time-submission">HST Cycle 27 Mid-Cycle Time Submission</a> </li> </ul> </li> <li id="pageTree_148640299" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27">The Hubble Space Telescope Primer for Cycle 27</a> <ul id="pagetreelvl4"> <li id="pageTree_148640300" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-resources-tools-and-other-documentation">HST Cycle 27 Primer Resources, Tools, and Other Documentation</a> </li> <li id="pageTree_148640301" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-system-overview">HST Cycle 27 Primer System Overview</a> </li> <li id="pageTree_148640304" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-orbital-constraints">HST Cycle 27 Primer Orbital Constraints</a> </li> <li id="pageTree_148640305" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-pointing-orientation-and-roll-constraints">HST Cycle 27 Primer Pointing, Orientation, and Roll Constraints</a> </li> <li id="pageTree_148640306" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-data-storage-and-transmission">HST Cycle 27 Primer Data Storage and Transmission</a> </li> <li id="pageTree_148640307" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-optical-performance-guiding-performance-and-observing-efficiency">HST Cycle 27 Primer Optical Performance, Guiding Performance, and Observing Efficiency</a> </li> <li id="pageTree_148640308" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-scientific-instruments-acs-wfc3-and-fgs">HST Cycle 27 Primer Scientific Instruments ACS, WFC3, and FGS</a> </li> <li id="pageTree_148640309" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-scientific-instrument-cos">HST Cycle 27 Primer Scientific Instrument COS</a> </li> <li id="pageTree_148640314" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-scientific-instrument-stis">HST Cycle 27 Primer Scientific Instrument STIS</a> </li> <li id="pageTree_148640315" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-additional-observing-modes">HST Cycle 27 Primer Additional Observing Modes</a> </li> <li id="pageTree_148640316" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-scientific-instrument-comparisons">HST Cycle 27 Primer Scientific Instrument Comparisons</a> </li> <li id="pageTree_148640323" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-observing-considerations">HST Cycle 27 Primer Observing Considerations</a> </li> <li id="pageTree_148640324" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-orbit-calculation-overview">HST Cycle 27 Primer Orbit Calculation Overview</a> </li> <li id="pageTree_148640325" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-orbital-visibility-acquisition-times-and-overheads">HST Cycle 27 Primer Orbital Visibility, Acquisition Times, and Overheads</a> </li> <li id="pageTree_148640326" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-orbit-calculation-examples">HST Cycle 27 Primer Orbit Calculation Examples</a> </li> <li id="pageTree_148640327" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-27/hst-cycle-27-primer-data-processing-and-the-hst-data-archive">HST Cycle 27 Primer Data Processing and the HST Data Archive</a> </li> </ul> </li> <li id="pageTree_148640328" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26">Hubble Space Telescope Call for Proposals for Cycle 26</a> <ul id="pagetreelvl4"> <li id="pageTree_148640329" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-new-and-important-features">HST Cycle 26 New and Important Features</a> </li> <li id="pageTree_148640330" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-anonymous-proposal-reviews">HST Cycle 26 Anonymous Proposal Reviews</a> </li> <li id="pageTree_148640331" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-general-information-resources-documentation-and-tools">HST Cycle 26 General Information, Resources, Documentation, and Tools</a> </li> <li id="pageTree_148640332" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-proposal-submission-policies">HST Cycle 26 Proposal Submission Policies</a> </li> <li id="pageTree_148640333" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-proposal-categories">HST Cycle 26 Proposal Categories</a> </li> <li id="pageTree_148640335" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-special-initiatives">HST Cycle 26 Special Initiatives</a> </li> <li id="pageTree_148640337" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-observation-types-and-special-requirements">HST Cycle 26 Observation Types and Special Requirements</a> </li> <li id="pageTree_148640338" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-data-rights-and-duplications">HST Cycle 26 Data Rights and Duplications</a> </li> <li id="pageTree_148640339" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-proposal-selection-procedures">HST Cycle 26 Proposal Selection Procedures</a> </li> <li id="pageTree_148640341" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-guidelines-and-checklist-for-phase-i-proposal-preparation">HST Cycle 26 Guidelines and Checklist for Phase I Proposal Preparation</a> </li> <li id="pageTree_148640342" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-filling-out-the-apt-proposal-form">HST Cycle 26 Filling Out the APT Proposal Form</a> </li> <li id="pageTree_148640343" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-preparation-of-the-pdf-attachment">HST Cycle 26 Preparation of the PDF Attachment</a> </li> <li id="pageTree_148640357" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-proposal-implementation-and-execution">HST Cycle 26 Proposal Implementation and Execution</a> </li> <li id="pageTree_148640358" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-grant-funding-and-budget-submissions">HST Cycle 26 Grant Funding and Budget Submissions</a> </li> <li id="pageTree_148640360" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-appendix-a-contact-information">HST Cycle 26 Appendix A: Contact Information</a> </li> <li id="pageTree_148640361" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-appendix-b-scientific-keywords">HST Cycle 26 Appendix B: Scientific Keywords</a> </li> <li id="pageTree_148640362" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-appendix-c-glossary-of-acronyms-and-abbreviations">HST Cycle 26 Appendix C: Glossary of Acronyms and Abbreviations</a> </li> <li id="pageTree_148640363" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/hubble-space-telescope-call-for-proposals-for-cycle-26/hst-cycle-26-appendix-d-internet-links">HST Cycle 26 Appendix D: Internet Links</a> </li> </ul> </li> <li id="pageTree_148640364" class=""> <a class="toggleChildren aui-icon aui-icon-small aui-iconfont-chevron-right" href=""></a> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26">The Hubble Space Telescope Primer for Cycle 26</a> <ul id="pagetreelvl4"> <li id="pageTree_148640365" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-resources-tools-and-other-documentation">HST Cycle 26 Primer Resources, Tools, and Other Documentation</a> </li> <li id="pageTree_148640366" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-system-overview">HST Cycle 26 Primer System Overview</a> </li> <li id="pageTree_148640369" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-orbital-constraints">HST Cycle 26 Primer Orbital Constraints</a> </li> <li id="pageTree_148640370" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-pointing-orientation-and-roll-constraints">HST Cycle 26 Primer Pointing, Orientation, and Roll Constraints</a> </li> <li id="pageTree_148640371" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-data-storage-and-transmission">HST Cycle 26 Primer Data Storage and Transmission</a> </li> <li id="pageTree_148640372" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-optical-performance-guiding-performance-and-observing-efficiency">HST Cycle 26 Primer Optical Performance, Guiding Performance, and Observing Efficiency</a> </li> <li id="pageTree_148640373" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-scientific-instruments-acs-wfc3-and-fgs">HST Cycle 26 Primer Scientific Instruments ACS, WFC3, and FGS</a> </li> <li id="pageTree_148640374" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-scientific-instrument-cos">HST Cycle 26 Primer Scientific Instrument COS</a> </li> <li id="pageTree_148640379" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-scientific-instrument-stis">HST Cycle 26 Primer Scientific Instrument STIS</a> </li> <li id="pageTree_148640380" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-additional-observing-modes">HST Cycle 26 Primer Additional Observing Modes</a> </li> <li id="pageTree_148640381" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-scientific-instrument-comparisons">HST Cycle 26 Primer Scientific Instrument Comparisons</a> </li> <li id="pageTree_148640388" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-observing-considerations">HST Cycle 26 Primer Observing Considerations</a> </li> <li id="pageTree_148640389" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-orbit-calculation-overview">HST Cycle 26 Primer Orbit Calculation Overview</a> </li> <li id="pageTree_148640390" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-orbital-visibility-acquisition-times-and-overheads">HST Cycle 26 Primer Orbital Visibility, Acquisition Times, and Overheads</a> </li> <li id="pageTree_148640391" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-orbit-calculation-examples">HST Cycle 26 Primer Orbit Calculation Examples</a> </li> <li id="pageTree_148640392" class=""> <span class="no-children">•</span> <a href="/hsp/past-hst-proposal-opportunities/the-hubble-space-telescope-primer-for-cycle-26/hst-cycle-26-primer-data-processing-and-the-hst-data-archive">HST Cycle 26 Primer Data Processing and the HST Data Archive</a> </li> </ul> </li> </ul> </li> <li id="pageTree_148640393" class=""> <span class="no-children">•</span> <a href="/hsp/hst-mid-cycle-approved-programs">HST Mid-Cycle Approved Programs</a> </li> <li id="pageTree_148640394" class=""> <span class="no-children">•</span> <a href="/hsp/call-for-cycle-32-bridge-programs">Call for Cycle 32 Bridge Programs</a> </li> </ul> 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