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<ri:Resource created="2026-07-17T00:00:00" status="active" updated="2026-07-17T00:00:00" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" 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/ConeSearch/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/ConeSearch.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>VLA-COSMOS Project 1.4-GHz Joint Source Catalog</title>
  <shortName>VLACOSMJSC</shortName>
  <identifier>ivo://nasa.heasarc/vlacosmjsc</identifier>
  <curation>
    <publisher ivo-id="ivo://nasa.heasarc/ASD">NASA/GSFC HEASARC</publisher>
    <creator>
      <name>Schinnerer et al.</name>
    </creator>
    <contributor/>
    <date>2026-07-17</date>
    <contact>
      <name>NASA/GSFC HEASARC help desk</name>
      <email>heasarc-vo at athena.gsfc.nasa.gov</email>
    </contact>
  </curation>
  <content>
    <subject>Survey Source</subject>
    <description>
      In the context of the VLA-COSMOS Deep project, additional VLA A array observations at 1.4 GHz were obtained for the central degree of the COSMOS field and combined with the existing data from the VLA-COSMOS Large project. A newly constructed Deep mosaic with a resolution of 2.5 arcseconds was used to search for sources down to 4 sigma with 1 sigma ~ 12 &amp;micro;Jy beam&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt; in the central 50&amp;#39; x 50&amp;#39;. This new catalog is combined with the catalog from the Large project (obtained at 1.5&amp;quot; x 1.4&amp;quot; resolution) to construct a new Joint catalog. All sources listed in the new Joint catalog have peak flux densities of &amp;gt;= 5 sigma at 1.5&amp;quot; and/or 2.5&amp;quot; resolution to account for the fact that a significant fraction of sources at these low flux levels are expected to be slightly resolved at 1.5&amp;quot; resolution. All properties listed in the Joint catalog, such as peak flux density, integrated flux density, and source size, are determined in the 2.5&amp;quot; resolution Deep image. In addition, the Joint catalog contains 43 newly identified multi-component sources. This table was created by the HEASARC in June 2010 based on the electronic version of Table 3 from the reference paper which was obtained from the ApJ web site. This is a service provided by NASA HEASARC .
    </description>
    <source format="">
      2010ApJS..188..384S
    </source>
    <referenceURL>https://heasarc.gsfc.nasa.gov/W3Browse/all/vlacosmjsc.html</referenceURL>
    <type>Catalog</type>
    <contentLevel>Research</contentLevel>
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  </capability>
  <facility>RADIO CATALOG</facility>
  <coverage>
    <stc:STCResourceProfile>
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        <name>vlacosmjsc</name>
        <description>
          VLA-COSMOS Project 1.4-GHz Joint Source Catalog
        </description>
        <column>
          <name>name</name>
          <description>
            Source Designation
          </description>
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            meta.id;meta.main
          </ucd>
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          <description>
            Right Ascension
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          <unit>degree</unit>
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            pos.eq.ra;meta.main
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            Declination
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            pos.eq.dec;meta.main
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            RMS Uncertainty in Right Ascension (arcsec)
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            RMS Uncertainty in Declination (arcsec)
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          <unit>arcsec</unit>
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          <flag>
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          <name>int_flux_20_cm</name>
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            Integrated 1.4 GHz Flux Density (mJy)
          </description>
          <unit>mJy</unit>
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            phot.flux.density;em.radio.750-1500MHz
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          <description>
            RMS Uncertainty in Integrated 1.4 GHz Flux Density (mJy)
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          <unit>mJy</unit>
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            stat.error;phot.flux.density;em.radio.750-1500MHz
          </ucd>
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          <flag>
            nullable
          </flag>
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        <column>
          <name>multi_component_flag</name>
          <description>
            Flag Indicates Multi-Component Source
          </description>
          <ucd>
            meta.code.multip
          </ucd>
          <dataType xsi:type="vs:VOTableType">short</dataType>
          <flag>
            nullable
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        <column>
          <name>corr_flux_20_cm</name>
          <description>
            Peak 1.4 GHz Flux Density Corrected for Bandwidth Smearing (mJy/beam)
          </description>
          <unit>mJy/beam</unit>
          <ucd>
            phot.flux.density;em.radio.750-1500MHz
          </ucd>
          <dataType xsi:type="vs:VOTableType">double</dataType>
          <flag>
            nullable
          </flag>
        </column>
        <column>
          <name>lii</name>
          <description>
            Galactic Longitude
          </description>
          <unit>degree</unit>
          <ucd>
            pos.galactic.lon
          </ucd>
          <dataType xsi:type="vs:VOTableType">double</dataType>
          <flag>
            nullable
          </flag>
        </column>
        <column>
          <name>flux_20_cm_error</name>
          <description>
            RMS Uncertainty in Peak 1.4 GHz Flux Density (mJy/beam)
          </description>
          <unit>mJy/beam</unit>
          <ucd>
            stat.error;phot.flux.density;em.radio.750-1500MHz
          </ucd>
          <dataType xsi:type="vs:VOTableType">double</dataType>
          <flag>
            nullable
          </flag>
        </column>
        <column>
          <name>major_axis</name>
          <description>
            Deconvolved Source Major Axis Size (arcsec)
          </description>
          <unit>arcsec</unit>
          <ucd>
            phys.size.smajAxis
          </ucd>
          <dataType xsi:type="vs:VOTableType">double</dataType>
          <flag>
            nullable
          </flag>
        </column>
        <column>
          <name>alt_name</name>
          <description>
            Former Source Designation in VLA-COSMOS Large Project Catalog
          </description>
          <ucd>
            meta.id
          </ucd>
          <dataType xsi:type="vs:VOTableType">char</dataType>
          <flag>
            nullable
          </flag>
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        <column>
          <name>local_rms_20_cm</name>
          <description>
            Measured Local RMS at Radio Source Position (mJy/beam)
          </description>
          <unit>mJy/beam</unit>
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            stat.error;phot.flux.density;em.radio.750-1500MHz
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        <column>
          <name>bii</name>
          <description>
            Galactic Latitude
          </description>
          <unit>degree</unit>
          <ucd>
            pos.galactic.lat
          </ucd>
          <dataType xsi:type="vs:VOTableType">double</dataType>
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        <column>
          <name>position_angle</name>
          <description>
            Position Angle (degree)
          </description>
          <unit>degree</unit>
          <ucd>
            pos.posAng
          </ucd>
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        <column>
          <name>resolution_flag</name>
          <description>
            Flag Indicates Resolution Source Detected at S/N &gt;= 5
          </description>
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            meta.code
          </ucd>
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        <column>
          <name>minor_axis</name>
          <description>
            Deconvolved Source Minor Axis Size (arcsec)
          </description>
          <unit>arcsec</unit>
          <ucd>
            phys.size.sminAxis
          </ucd>
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        <column>
          <name>flux_20_cm</name>
          <description>
            Peak 1.4 GHz Flux Density (mJy/beam)
          </description>
          <unit>mJy/beam</unit>
          <ucd>
            phot.flux.density;em.radio.750-1500MHz
          </ucd>
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          <flag>
            nullable
          </flag>
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        <column>
          <name>catalog_mbr_flag</name>
          <description>
            Flag Indicates Catalog Membership
          </description>
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            meta.code
          </ucd>
          <dataType xsi:type="vs:VOTableType">short</dataType>
          <flag>
            nullable
          </flag>
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        <column>
          <name>resolved_flag</name>
          <description>
            Flag Indicates Resolved Source
          </description>
          <ucd>
            meta.code
          </ucd>
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            nullable
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        <column>
          <name>"__x_ra_dec"</name>
          <description>
            System unit vector column
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          <description>
            System unit vector column
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          <description>
            System unit vector column
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        <column>
          <name>"__row"</name>
          <description>
            System index column
          </description>
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