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<HTML> <HEAD> <TITLE>FITS Support Office</TITLE> <link rel="StyleSheet" HREF="fits_style.css" type="text/css"> <script id="fed_an_js_tag" type="text/javascript" src="http://asd.gsfc.nasa.gov/scripts/Federated-Analytics.js?agency=NASA">  </script> </HEAD> <body> <blockquote> <center> <img SRC="FITSlogo.gif" ALT="FITS The Astronomical Image and Table Format" height=180 width=720 align="top"> <HR width=720> <font size="2"> <table bgcolor="#f0f0f0" border="0" cellpadding="0" cellspacing="0" width="720" align="center"> <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_home.html" style="text-decoration:none;">Home</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_verify.html" style="text-decoration:none;">Verifier</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_news.html" style="text-decoration:none;">News</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_documentation.html" style="text-decoration:none;">Docs</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_wcs.html" style="text-decoration:none;">WCS</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_samples.html" style="text-decoration:none;">Samples</a> | <td align="center" width="750"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_libraries.html" style="text-decoration:none;">Libraries</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_viewer.html" style="text-decoration:none;">Viewers</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_utility.html" style="text-decoration:none;">Utilities</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_dictionary.html" style="text-decoration:none;">Keywords</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_conventions.html" style="text-decoration:none;">Conventions</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_resources.html" style="text-decoration:none;">Resources</a> </table> </font> <HR width="720">     <H1>Sample FITS Files</h1> </center> This page contains links to sample FITS files from various sources. These files do not necessarily conform to all the latest FITS format recommendations, as can be determined by testing the file with the <a href="http://fits.gsfc.nasa.gov/fits_verify.html">FITS File Verifier</a>. <p> <hr size="8" noshade > <p> <h2>Individual Sample FITS files</h2> Most of the following sample FITS files were obtained from the <a href="http://archive.stsci.edu/">MAST</a> data archive. <p> <table border> <tr> <td><b>Telescope/Inst</B></td> <td><b>Description</b></td> </tr> <tr> <td> <a href="samples/WFPC2u5780205r_c0fx.fits">HST WFPC II</a> </a></td> <td>WFPC II 800 x 800 x 4 primary array data cube containing the 4 CCD images, plus a table extension containing world coordinate parameters. This sample file has been trimmed to 200 x 200 x 4 pixels to save disk space.</td> </tr> <tr> <td> <a href="samples/WFPC2ASSNu5780205bx.fits">HST WFPC II</a> </a></td> <td>WFPC II 1600 x 1600 primary array mosaic constructed from the 4 individual CCD chips. (Image has been trimmed to 100 x 100 pixels to save disk space).</td> </tr> <tr> <td> <a href="samples/FOCx38i0101t_c0f.fits">HST FOC</a> </a></td> <td>FOC (1024 x 1024) primary array image, plus a table extension containing world coordinate parameters.</td> </tr> <tr> <td> <a href="samples/FOSy19g0309t_c2f.fits">HST FOS</a> </a></td> <td>FOS 2 x 2064 primary array spectrum containing the flux and wavelength arrays, plus a small table extension.</td> </tr> <tr> <td> <a href="samples/HRSz0yd020fm_c2f.fits">HST HRS</a> </a></td> <td>HRS 2000 x 4 primary array spectrum, plus a small table extension.</td> </tr> <tr> <td> <a href="samples/NICMOSn4hk12010_mos.fits">HST NICMOS</a> </a></td> <td>NICMOS null primary array plus 5 image extensions (270 x 263) containing the science, error, data quality, samples, and time images </td> </tr> <tr> <td> <a href="samples/FGSf64y0106m_a1f.fits">HST FGS</a> </a></td> <td>FGS file with a 89688 x 7 2-dimensional primary array and 1 table extension. The primary array contains a time series of 7 astrometric quantities.</td> </tr> <tr> <td> <a href="samples/UITfuv2582gc.fits">Astro UIT</a> </td> <td>Astro1 Ultraviolet Imaging Telescope (512 x 512) primary array image</td> </tr> <tr> <td> <a href="samples/IUElwp25637mxlo.fits">IUE LWP</a> </td> <td>IUE spectrum contained in vector columns of a binary table.</td> </tr> <tr> <td> <a href="samples/EUVEngc4151imgx.fits">EUVE</a> </td> <td>EUVE sky image and 2D spectra, contained in multiple image extensions, with associated binary table extensions. The 1st image extension has been rebinned by a factor of 4 to save disk space.</td> </tr> <tr> <td> <a href="samples/DDTSUVDATA.fits">Random Groups</a> </td> <td>This example file illustrates the Random Groups FITS file format which has the keywords NAXIS1 = 0 and GROUPS = T. This format has been used almost exclusively for applications in radio interferometry and should not be used for applications outside of this field. It is recommended that new applications should use FITS binary tables to store this type of data. This example file comes from the Classic AIPS 'DDT' (Dirty Dozen Test) <a href="ftp://ftp.aoc.nrao.edu/pub/software/aips/FITS/15JAN94/">benchmarking suite</a>. </td> </tr> </table> <hr size="8" noshade > <h2>Public Archives that provide astronomical data in FITS format:</H2> <ul> <li> <a href="fits_nraodata.html">Sample FITS files from NRAO</a> - early sample FITS files collected from the NRAO FITS web site. <li> <a href="http://www.atnf.csiro.au/people/mcalabre/WCS/example_data.html">Sample World Coordinate System FITS Files</a> have been prepared for each of the ~27 projections described in the "<a href="fits_wcs.html">Representations of Celestial Coordinates in FITS</a>" paper using the same projection parameters as in the paper (where applicable). <li> <a href="http://www.aao.gov.au/science/aat-data-archive">Anglo-Australian Telescope</a> <li> <a href="http://www.atnf.csiro.au/observers/data.html">ATNF</a> Australia radio telescopes data archive <li> <a href="http://cadcwww.dao.nrc.ca">Canadian Astronomical Data Center</a> (CADC) archive of observations taken with HST, Gemini, JCMT, CFHT, CGPS, and other archives and catalogues. <li> <a href="http://casu.ast.cam.ac.uk/casuadc">CASU</a>, Cambridge (U.K.) Astronomical Survey Unit Data Center, including archives of the Isaac Newton Group of telescopes and other U.K. affiliated observatories <li> <a href="http://cxc.harvard.edu/cda/">Chandra</a> X-ray telescope data archive <li> <a href="http://deep.ucolick.org/">Deep Extragalactic Evolutionary Probe </a> (DEEP) survey of distant galaxies observed with Keck and HST <li> <a href="http://archive.eso.org/">ESO/ST-ECF</a> Science Archive contains non-proprietary data from the VLT, NTT, MPG/ESO 2.2m, and the ESO 3.6m telescopes, as well as the Hubble Space Telescope <li> <a href="http://heasarc.gsfc.nasa.gov/docs/corp/data.html">HEASARC</a> archive of X-ray and Gamma-ray observations from space. See also <a href="http://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/ofwg_samples.html">sample FITS files</a> <li> <a href="http://irsa.ipac.caltech.edu/">IRSA</a> NASA's archive node for infrared and sub-millimeter data <li> <a href="http://www.jive.nl/archive/scripts/listarch.php">JIVE</a> institute for Very Long Baseline Interferometry in Europe <li> <a href="http://lambda.gsfc.nasa.gov/">LAMBDA</a> archive of WMAP and COBE microwave background data <li> <a href="http://archive.stsci.edu/">Multimission Archive at Space Telescope</a> (MAST) <li> <a href="https://archive.nrao.edu/archive/e2earchive.jsp">National Radio Astronomical Observatory</a> (NRAO) Data Archive of observation with the VLA, VLBA, and GBT radio telescopes <li> <a href="http://www.sdss.org">Sloan Digital Sky Survey</a> <li> <a href="http://ssc.spitzer.caltech.edu/archanaly/">Spitzer</a> </ul> <hr size="8" noshade > <h2>Experimental FITS files</h2> These files contain unusual features that may not conform to the current FITS standard. <ul> <li> <a href="http://fits.gsfc.nasa.gov/samples/testkeys.fits">testkeys.fits</a> - this FITS image contains unorthodox header keywords that do not have an equals sign character in byte 9 of the header record. <li> <a href="http://fits.gsfc.nasa.gov/samples/testkeys2.fits">testkeys2.fits</a> - this FITS image contains a keyword that has an illegal '.' character in the name. </ul> <hr size="8" noshade > <p> <HR width=720> <font size="2"> <table bgcolor="#f0f0f0" border="0" cellpadding="0" cellspacing="0" width="720" align="center"> <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_home.html" style="text-decoration:none;">Home</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_verify.html" style="text-decoration:none;">Verifier</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_news.html" style="text-decoration:none;">News</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_documentation.html" style="text-decoration:none;">Docs</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_wcs.html" style="text-decoration:none;">WCS</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_samples.html" style="text-decoration:none;">Samples</a> | <td align="center" width="750"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_libraries.html" style="text-decoration:none;">Libraries</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_viewer.html" style="text-decoration:none;">Viewers</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_utility.html" style="text-decoration:none;">Utilities</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_dictionary.html" style="text-decoration:none;">Keywords</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_conventions.html" style="text-decoration:none;">Conventions</a> | <td align="center" width="720"> <font size=2> <a href="http://fits.gsfc.nasa.gov/fits_resources.html" style="text-decoration:none;">Resources</a> </table> </font> <HR width="720">     <font size="2"> <ADDRESS> <B>Last revised:</B> Sunday, 17-Jan-2021 17:32:40 EST<br> <B>Contact us:</B> fits @ fits.gsfc.nasa.gov<br> <B>Hosted by:</B> The <A HREF="http://heasarc.gsfc.nasa.gov/">HEASARC</A> (High Energy Astrophysics Science Archive Research Center)<br> <B>Responsible NASA representative:</B> Dr. Tess Jaffe </ADDRESS> <A HREF="http://heasarc.gsfc.nasa.gov/banner.html">Privacy, Security & Accessibility Statements</a>. </blockquote> </BODY> </HTML>