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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>HEASARC Data Archive</title> <link rel="alternate" type="application/rss+xml" href="https://heasarc.gsfc.nasa.gov/docs/rss/archive.xml" title="RSS 2.0"> <link rel="stylesheet" type="text/css" href="/docs/css/reset.css" media="projection, screen" /> <link rel="stylesheet" type="text/css" href="/docs/css/base.css" media="projection, screen" /> <link rel="stylesheet" type="text/css" href="/docs/css/dropdown.css" media="projection, screen" /> <link rel="stylesheet" type="text/css" href="/docs/css/AstroTheme.css" media="projection, screen" /> <script src="/docs/js/jquery.min.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="/docs/portal.css" /> <link rel="stylesheet" type="text/css" href="/docs/print.css" media="print" /> <link rel="stylesheet" type="text/css" href="/docs/css/asd.css" media="projection, screen" /> <script type="text/javascript" src="/scripts/overlib.js"></script>  <script type="text/javascript" language="javascript" id="_fed_an_ua_tag" src="https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=NASA"></script> </head> <body> <div id="overDiv" style="position:absolute; visibility:hidden; z-index:1000;"></div> <div id="page-wrapper"> <div id="page"> <div class="navigation"> <p style="color: #c00; background: #fff; padding: 0.5em; margin: 0.5em 0;"><a href="https://aas.org/jobregister/ad/d5f75d15">HEASARC Staff Scientist Position</a> - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the <a href="https://aas.org/jobregister/ad/d5f75d15">AAS Job register</a> for full details.</p> <div id="nasaHeader"> <div> <a href="https://www.nasa.gov" class="imageLink"><img class="logo" src="/Images/portal_new/nasa_header_logo1.gif" alt="NASA Logo, National Aeronautics and Space Administration" width="140" height="98"></a> </div> <div id="headerTxtWrapper"> <h1><a href="https://www.nasa.gov">National Aeronautics and Space Administration</a></h1> <h2><a href="https://www.nasa.gov/goddard/">Goddard Space Flight Center</a></h2> <h3><a href="https://science.gsfc.nasa.gov/">Sciences and Exploration</a></h3> </div> <div id="HEASARCsearchbox"> <h3>Search:</h3> <form action="/cgi-bin/search/search.pl" method="post" id="HEASARCsearch" name="HEASARCsearch"> <input type="text" name="tquery" id="search" value="Search HEASARC website" title="tquery" size="34" class="flt_left" onfocus="if(this.value=='Search HEASARC website') this.value='';"> <input type="image" alt="Search" src="/Images/portal_new/search_go.jpg" onclick="this.form.submit();" class="flt_left"> <input type="hidden" value="search.quick" id="fuseaction" name="fuseaction"> </form> <div class="divClear"></div> <p style="font-size:10px;margin-top:1px"><a href="/cgi-bin/search/search.pl">[Advanced Search]</a></p> <br> <div style="margin-top:5px;"></div> <form name="QuickLinksForm" action=""><font size=-2> <label for="QuickLinksMenu"><a class="menu" href="/docs/corp/goto_text.html"><u>HEASARC Quick Links</u></a></label></font><br> <select class="Menu" name="QuickLinksMenu" size=1 id="QuickLinksMenu" style="display:none;"> <option class="MenuColorHEADER" value="/" selected>---Quick Links---</option> <option class="MenuColorHEADER" value="/docs/archive.html">---Archive Interfaces---</option> <option value="/cgi-bin/argus/argus.pl">Argus: proposal info</option> <option value="/docs/archive.html">Browse: search HEASARC archives</option> <option value="/vo/">NVO DataScope</option> <option value="https://skyview.gsfc.nasa.gov/">SkyView: virtual observatory</option> <option value="/xamin">Xamin: powerful archive search</option> <option class="MenuColorHEADER" value="/docs/software.html">---Software & Tools---</option> <option value="/docs/heasarc/caldb/caldb_intro.html">CalDB: Calibration database</option> <option value="/cgi-bin/Tools/convcoord/convcoord.pl">Coordinate Converter</option> <option value="/cgi-bin/Tools/energyconv/energyConv.pl">Energy Converter</option> <option value="/docs/heasarc/fits.html">FITS: standard data format</option> <option value="/docs/software/fitsio/fitsio.html">FITSIO: FITS subroutine library</option> <option value="/docs/software/ftools/ftools_menu.html">FTOOLS: general s/w for FITS files</option> <option value="/docs/software/ftools/fv.html">fv: FITS file editor</option> <option value="/cgi-bin/Tools/HEXTErock/HEXTErock.pl">HEXTErock</option> <option value="/cgi-bin/Tools/w3nh/w3nh.pl">nH: Column Density</option> <option value="/RPS/">RPS proposal submission</option> <option value="/xte_weather/">RXTE ASM weather map</option> <option value="/cgi-bin/Tools/DateConv/dateconv.pl">Time/Date Converter (xTime)</option> <option value="/cgi-bin/Tools/timeline/timeline.pl">Timeline (RXTE, Swift, & HETE-2)</option> <option value="/cgi-bin/Tools/viewing/viewing.pl">Viewing: possible obs. times</option> <option value="/cgi-bin/Tools/w3pimms/w3pimms.pl">WebPIMMS: flux/count converter</option> <option value="/webspec/webspec.html">WebSpec: spectral sims</option> <option value="/docs/xanadu/xanadu.html">Xanadu: data analysis suite</option> <option value="/cgi-bin/Tools/xraybg/xraybg.pl">X-ray Background Tool</option> <option value="/cgi-bin/Tools/high_energy_source/high_energy_source.pl">X-ray, Gamma-ray, EUV Source Finder</option> <option class="MenuColorHEADER" value="/docs/HHP_heasarc_info.html">---Resources---</option> <option value="/docs/heasarc/biblio/pubs/">Bibliography</option> <option value="/docs/heasarc/contact.html">Contact Info</option> <option value="/docs/heasarc/headates/headates.html">Deadlines (proposals & meeting regist.)</option> <option value="/docs/heasarc/headates/heahistory.html">History of High-Energy Astronomy</option> <option value="/docs/heasarc/staff/OGIP_staff.html">Staff</option> <option value="/docs/heasarc/meetings.html">Upcoming Meetings</option> <option value="/docs/heasarc/summer_schools.html">Upcoming Summer Schools</option> <option value="/docs/heasarc/whatsnew.html">What's New</option> <option class="MenuColorHEADER" value="/docs/outreach.html">---Education & Pub. 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You can also use it from your command line.</div> <div style="margin:3px 0px 10px 0px"><strong>Xamin VO Standard APIs</strong><span style="margin-left:20px"><br/>For the full flexibility of SQL queries to bring complicated query logic directly to the database, you can use our <a href="/navo/summary/navo_services.html">VO APIs</a>. See also <a href="/navo/summary/python.html">tutorials for how to access these APIs in Python</a>.</div> <li style="font-size:1.25em"><strong>Browse Interfaces</strong>   <a href="/W3Browse/w3btipsarchive.html">Tips Archive</a></li>  <div style="margin:3px 0px 3px 0px"><a href="/cgi-bin/W3Browse/w3browse.pl"><strong>Browse Mission Interface</strong></a><span style="margin-left:20px"><a href="/W3Browse/w3browse-help.html"><img width=20 height=20 src="/Images/w3b/help.gif"></a>  </span><br/> Our full-featured interface<br></div> <div style="margin:3px 0px 3px 0px"><a href="/cgi-bin/W3Browse/w3catindex.pl"><strong>Browse Table Index</strong></a><br> Listing of all tables in the HEASARC database <br/></div> <div style="margin:3px 0px 3px 0px"><a href="/cgi-bin/W3Browse/w3fullcross.pl"><strong>Browse Correlation of 2 Tables</strong></a><span style="margin-left:20px"><a href="/W3Browse/w3browse-help.html#cross"><img width=20 height=20 src="/Images/w3b/help.gif"></a></span><br/> Correlation of more than 2 tables is available in Xamin<br/></div> <div style="margin:3px 0px 3px 0px"><a href="/cgi-bin/W3Browse/notification/monitor_src.pl"><strong>Browse Notification Service</strong></a><span style="margin-left:20px"><a href="/W3Browse/bnotification-help.html"><img width=20 height=20 src="/Images/w3b/help.gif"></a></span><br/> Get notified when new data is available in the archive<br> Use Xamin if you wish to monitor any query</div> <div style="margin:3px 0px 10px 0px"><strong>Browse Batch Interface</strong><span style="margin-left:20px"><a href="/FTP/heasarc/software/web_batch/browse_extract_wget.pl">Download</a>  <a href="/W3Browse/w3batchinfo.html"><img width=20 height=20 src="/Images/w3b/help.gif"></a></span><br/> Perl scripts (by default these now query Xamin database)<p></div> <li style="font-size:1.25em;margin-bottom:4px;"><strong>CMB Data</strong></li> <div style="margin:3px 0px 10px 0px"><a href="http://lambda.gsfc.nasa.gov/product/"><strong>CMB Missions and Projects</strong></a><br> Data from space-bourne and suborbital CMB experiments in LAMBDA <br></div> <li style="font-size:1.25em;margin-bottom:4px;"><strong>Specialized Forms</strong></li>  <div style="margin:3px 0px 3px 0px"><a href="/cgi-bin/argus/argus.pl"><strong>Argus Proposal/Observation Info</strong></a><br> Search Browse proposal information for observation details and status<br></div> <div style="margin:3px 0px 10px 0px"><a href="/cgi-bin/W3Browse/swift.pl"><strong>Swift Data Query</strong></a><span style="margin-left:20px"><a href="/W3Browse/swiftbrowse-help.html"><img width=20 height=20 src="/Images/w3b/help.gif"></a></span><br/> Search bursts and observations of the Swift mission<p></div> <li style="font-size:1.25em"><strong>Direct Access to HEASARC Archive Directories</strong></li> <div style="margin:3px 0px 10px 0px"><img src="/Images/heasarc/icons/updated.gif"><a href="/docs/cookbook/command_line_downloads.html"><b>Command-Line Downloads</b></a><br> Describes using our download script as well as wget and curl.</div> <div style="margin:3px 0px 10px 0px"><a href="/FTP/"><b> Using HTTPS</b></a> </div> </td>  <td valign="top" align="right">  <table>  <tr>  <td align="center" bgcolor="#ced7db">  <iframe id="heraframe" src="/xamin/SBForm.html" name="singlebox" scrolling=no width=350 height=500></iframe> <p style="margin:10px"><b>If there is a published astronomical catalog that you would<br>like added to the HEASARC, <a href="/cgi-bin/Feedback">let us know.</b></a></p> <td>  </tr>  </table>  </td>  </tr>  </table>  <p><img alt="Browse Quick form divider" src="/Images/w3b/blueline.jpg" border=0 width="100%" height="10"> </td> </tr> <tr> <td valign="top"> <h3>Other Resources</h3> <ul style="padding-left: 1.2em;"> <li><b><a href="https://skyview.gsfc.nasa.gov">SkyView</a></b> - An easy-to-use tool that returns digital images of the sky in any waveband from radio through to gamma rays</li> <li><b><a href="/vo/">VAO DataScope</a></b> - Query catalogs and services from the HEASARC <i>and</i> from around the world using a single form</li> <li><b><a href="/docs/Lit.html">Literature</a></b> - Links to literature search engines and online versions of refereed journals and science magazines</li> </ul> <a name="archivestat"></a> <h3>Archive Information</h3> <ul style="padding-left: 1.2em;"> <li><a href="/docs/heasarc/databases/databases.html">New and Updated Databases</a></li> <li> <a href="/docs/heasarc/databases/deleted_databases.html">Deleted Databases</a></li> <li><a href="/docs/heasarc/restoration/status.html">Data restoration status</a> of all data sets available from the HEASARC</li>  <li><a href="/docs/heasarc/biblio/bibcode.html">Bibliography/archive cross-reference status</a> of HEASARC data sets with ADS-listed publications</li> <li><a href="/docs/heasarc/science/">Science results</a> that used HEASARC data</li> <li><a href="/docs/cookbook/">The HEASARC Cookbook</a> - how to find, download, and analyze data</li> <li><a href="/W3Browse/distrib/">Open Archive Policy</a> - find out how you can integrate HEASARC resources into your Web site</li> <li><a href="/docs/software/dbdocs/">Documentation for the HEASARC Database System</a> - General description of the database system and a description of the <a href="/docs/software/dbdocs/tdat.html">TDAT format</a> used to serialize data and metadata for HEASARC catalogs</li> </ul> </td> <td width=300 valign=top>  <a name="latestnews"></a> <table class="GrayBorder"> <tr><td class="heading"> <b>Latest News</b> </td></tr><tr><td bgcolor="ffffff"> <P> <div class="news"> <li><b><a href="https://head.aas.org/sites/head.aas.org/files/HEAD_Newsletter_2024_November.pdf">HEAD Fall 2024 newsletter released</a></b> <span class="nobr">(9 Dec 2024)</span><br> This newsletter is available now for your reading pleasure at your <a href="https://head.aas.org/Newsletter"> electronic HEAD newsstand </a>!</li> <li><b><a href="https://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/nustar">NuSTAR Caldb Update</a></b> <span class="nobr">(26 Nov 2024)</span><br> The NuSTAR FPM caldb was updated to version 20241126. This release includes a new clock correction file, v194. Please see the <a href="https://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/nustar/docs/release_20241126.txt">release notes</a> for more details.</li> <li><b><a href="https://nspires.nasaprs.com/external/solicitations/summary!init.do?solId={445C1A36-9CE4-6AC2-312F-00A97BDC06BA}">NuSTAR Cycle 11 now Accepting Proposals</a></b> <span class="nobr">(21 Nov 2024)</span><br> The due date for NuSTAR Cycle 11 proposal submission is Jan 29, 2025. Proposals should be submitted via the HEASARC's <a href="https://heasarc.gsfc.nasa.gov/ark/nustar/"><b> ARK Remote Proposal System (RPS)</b></a>. For more information about this cycle, please visit the <a href="/docs/nustar/nustar_prop.html"><b> NuSTAR Proposal Page</b></a>.</li> <li><b><a href="http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_wotsnew.html#xrism_20241115">XRISM Caldb Update</a></b> <span class="nobr">(15 Nov 2024)</span><br> An update to the XRISM Caldb for the Resolve, XTEND and gen instruments is now available. Tar files can be downloaded from the <a href="https://heasarc.gsfc.nasa.gov/docs/xrism/calib">XRISM Calibration page</a>.</li> <li><b><a href="http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_wotsnew.html#swift_20241113">Swift SC CALDB updated</a></b> <span class="nobr">(13 Nov 2024)</span><br> The Swift SC has been updated to version 20241101 to update the clock correction file ...</li> <li><b><a href="http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_wotsnew.html#xrism_20241115">XRISM Caldb Update</a></b> <span class="nobr">(11 Nov 2024)</span><br> An update to the XRISM Caldb for the Resolve, XTEND and gen instruments is now available. Tar files can be downloaded from the <a href="https://heasarc.gsfc.nasa.gov/docs/xrism/calib">XRISM Calibration page</a>.</li> <P> <a href="/docs/rss/archive.xml"><img src="/Images/icons/feed-icon-28x28.gif" border="0" alt="RSS"></a> <a href="/docs/rss/rss.html">[What is this?]</a> <P> </div> </td></tr></table> </td>  </tr> </table> </DIV>  <hr>  <font size="-1"> Page maintainer: M. F. Corcoran <div style="float: right"><a href="/cgi-bin/Feedback?selected=w3browse">Feedback</a></div>  <hr> <a href="/">HEASARC Home</a> | <a href="/docs/observatories.html">Observatories</a> | <a href="/docs/archive.html">Archive</a> | <a href="/docs/heasarc/caldb/caldb_intro.html">Calibration</a> | <a href="/docs/software.html">Software</a> | <a href="/docs/tools.html">Tools</a> | <a href="/docs/outreach.html">Students/Teachers/Public</a> <div class=lastmod> <hr> <span class=news>Last modified: Thursday, 17-Feb-2022 19:35:01 EST</span> </div> <div class=news align=center> <p style="color: #c00; background: #fff; padding: 0.5em; margin: 0.5em 0;"><a href="https://aas.org/jobregister/ad/d5f75d15">HEASARC Staff Scientist Position</a> - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the <a href="https://aas.org/jobregister/ad/d5f75d15">AAS Job register</a> for full details.</p> </div>  <HR> <font size="-1"> Browse interfaces: <a href="/db-perl/W3Browse/w3browse.pl">Main</a> | <a href="/db-perl/W3Browse/w3catindex.pl">Index</a> | <a href="/W3Browse/w3batchinfo.html">Batch</a> | <a href="/db-perl/W3Browse/w3fullcross.pl">Correlation</a> | </font> </td></tr> </table>   </div>  <div class="divClear" style="clear:both;"></div> </div> </div> </div> <div class="divClear" style="clear:both;"></div> <div class="navigation"> <div id="HEASARCfooter" style="background-color:#2E2E2E;height:20px;width:952px;border-top:none;margin:0 auto;margin-top:5px;"> <table width="100%"> <tr><td style="text-align:center;vertical-align:middle;"> <p style="color:#B2B2B2;font-size:11px;text-decoration:none;font-family:Arial,Helvetica,sans-serif;margin:0;">A service of the <a href="https://science.gsfc.nasa.gov/astrophysics" style="color:#B2B2B2;font-size:11px;text-decoration:none;font-family:Arial,Helvetica,sans-serif;">Astrophysics Science Division</a> at <a href="http://www.nasa.gov/" style="color:#B2B2B2;font-size:11px;text-decoration:none;font-family:Arial,Helvetica,sans-serif;">NASA/</a><a href="http://www.nasa.gov/goddard" style="color:#B2B2B2;font-size:11px;text-decoration:none;font-family:Arial,Helvetica,sans-serif;">GSFC</a>.</p> </td></tr> </table> </div> <div id="footer" style="background-color:#2E2E2E;height:98px;width:952px;border-top:2px solid #222222;margin:0 auto;"> <div> <a href="http://www.nasa.gov" class="imageLink" style="display:block;float:left;"><img class="logo" style="border:0;" src="/Images/portal_new/nasa_header_logo1.gif" alt="NASA Logo, National Aeronautics and Space Administration" width="140" height="98"></a> </div> <div id="footer-signature" style="padding-left:20px;padding-top:19px;float:left;"> <a href="http://www.nasa.gov/goddard/" class="imageLink" style="display:block;float:left;"><img class="logo" style="border:0;" src="/Images/portal_new/goddardsignature2.png" alt="Goddard Space Flight Center Signature Logo" width="172" height="68"></a> </div> <div class="nasafootlinks" style="float:left;height:84px;margin-left:15px;padding-left:0px;padding-top:14px;width:295px;"> <ul style="list-style:none;padding:0;margin:0;"> <li style="margin-bottom:2px;color:#B2B2B2;font-size:11px;font-family:Arial,Helvetica,sans-serif;">HEASARC Director: Dr. Andy Ptak</li> <li style="margin-bottom:2px;color:#B2B2B2;font-size:11px;font-family:Arial,Helvetica,sans-serif;">NASA Official: Dr. Andy Ptak</li> <li style="margin-bottom:2px;color:#B2B2B2;font-size:11px;font-family:Arial,Helvetica,sans-serif;">Web Curator: <a href="mailto:john.d.myers@nasa.gov">J.D. 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