<?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?>
<ri:Resource created="2026-10-02T00:00:00" status="active" updated="2026-10-02T00:00:00" version="1.2" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:sia11="http://www.ivoa.net/xml/SIA/v1.1" xmlns:stc="http://www.ivoa.net/xml/STC/stc-v1.30.xsd" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/SIA/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/SIA.xsd http://www.ivoa.net/xml/STC/stc-v1.30.xsd http://vo.ari.uni-heidelberg.de/docs/schemata/stc-v1.30.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd http://www.w3.org/1999/xlink http://vo.ari.uni-heidelberg.de/docs/schemata/xlink.xsd" xsi:type="vs:CatalogService">
   <title>VLT ISAAC Ks Observations of the Southern Hubble Ultradeep Field</title>
   <shortName>HUDFISAAC</shortName>
   <identifier>ivo://nasa.heasarc/skyview/hudfisaac</identifier>
   <curation>
      <publisher ivo-id="ivo://nasa.heasarc/ASD">NASA/GSFC HEASARC</publisher>
      <creator>
         <name>Data downloaded from VLT archive</name>
      </creator>
      <contributor>Skyview Project</contributor>
      <date role="created">2026-10-02</date>
      <contact>
         <name>SkyView Help</name>
         <email>Skyview at skyview.gsfc.nasa.gov</email>     
      </contact>
   </curation>
   <content>
      <subject>surveys</subject>
      <description>A very deep Ks observation of the Hubble Ultradeep Field.  This observation is
    approximately 0.6 magnitudes deeper than the GOODS ISAAC Ks image but covers
    only small fraction of the area.  Provenance:  Data downloaded from VLT archive. This is a service of NASA HEASARC.
      </description>

      <referenceURL>
         https://skyview.gsfc.nasa.gov
      </referenceURL>
      <type>Archive</type>
      <contentLevel>Research</contentLevel>


      <relationship>
         <relationshipType>service-for</relationshipType>
            <relatedResource ivo-id="ivo://nasa.heasarc">
               HEASARC
            </relatedResource>
         </relationship>
   </content>
   <capability standardID="ivo://ivoa.net/std/SIA" xsi:type="sia11:SimpleImageAccess">
      <interface role="std" xsi:type="vs:ParamHTTP">

         <accessURL use="base">
         https://skyview.gsfc.nasa.gov/cgi-bin/vo/sia.pl?survey=hudfisaac&amp;
      </accessURL>

         <queryType>GET</queryType>

         <resultType>text/xml+votable</resultType>
         <param>
            <name>POS</name>
            <description>
            Search Position in the form "ra,dec" where ra and dec are given in decimal degrees
            in the ICRS coordinate system.
         </description>   
            <unit>degrees</unit>
            <dataType>real</dataType>
         </param>
       
         <param>
            <name>SIZE</name>
            <description>
            Size of search region in the RA and Dec. directions.   
         </description>
            <unit>degrees</unit>
            <dataType>real</dataType>
         </param>

         <param>
            <name>FORMAT</name>
            <description>
            Requested format of images.
         </description>
            <dataType>string</dataType>
         </param>

         <param>
            <name>CFRAME</name>
            <description>
            Coordinate frame: ICRS, FK5, FK4, GAL, ECL
         </description>
            <dataType>string</dataType>
         </param>

         <param>
            <name>EQUINOX</name>
            <description>
            Equinox used in FK4 or FK5 frames.

      </description>
            <dataType>real</dataType>
         </param>
      </interface>
   
      <imageServiceType>Cutout</imageServiceType>
      
      
      <maxQueryRegionSize>
         <long>360.0</long>
         <lat>180.0</lat>
      </maxQueryRegionSize>
      
      <maxImageExtent>
         <long>360.0</long>
         <lat>180.0</lat>
      </maxImageExtent>

      <maxImageSize>5000</maxImageSize>

       <maxFileSize>10000000</maxFileSize>
       <maxRecords>500</maxRecords>  
       <testQuery>
         <pos>
	           <long>53.125</long>
	           <lat>-27.75</lat>
	        </pos>
         <size>
	           <long>.03</long>
	           <lat>.03</lat>
	        </size>
      </testQuery>
      
   </capability>
   <capability>
      <interface xsi:type="vr:WebBrowser">
         <accessURL use="base">
                https://skyview.gsfc.nasa.gov/cgi-bin/query.pl
              </accessURL>
      </interface>
   </capability>
   <coverage>
      <stc:STCResourceProfile>

         <stc:AstroCoordSystem xlink:type="simple" xlink:href="ivo://STClib/CoordSys#UTC-ICRS-TOPO" id="_sia_hudfisaac_UTC-ICRS-TOPOdf0ee154f6caf753c22ddd1c909ed011"/>

         <stc:AstroCoordArea coord_system_id="_sia_hudfisaac_UTC-ICRS-TOPOdf0ee154f6caf753c22ddd1c909ed011">
         </stc:AstroCoordArea>
      </stc:STCResourceProfile>

      <waveband>Infrared</waveband>
   </coverage>
</ri:Resource>