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<adc:VO_Catalog_ADC xmlns:adc="http://adc.astro.umd.edu/dataset_054" xmlns:au="http://adc.astro.umd.edu/Units" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cat="http://www.ivoa.net/Catalog" xmlns:cha="http://www.ivoa.net/Characterization" xmlns:col="http://www.ivoa.net/Collection" xmlns:stc="http://www.ivoa.net/xml/STC/stc-v1.20" xmlns:r="http://www.ivoa.net/xml/STC/STCregion/v1.20" xmlns:crd="http://www.ivoa.net/xml/STC/STCcoords/v1.20" xmlns:h="http://www.ivoa.net/Provenance" xmlns:p="http://www.ivoa.net/Publications" xmlns:ppl="http://www.ivoa.net/People" xmlns:ucd="http://www.ivoa.net/UCD1+" xmlns:u="http://www.ivoa.net/Units" xmlns:q="http://www.ivoa.net/Quantity" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" cid="adc_1176" name="The AGK3U: an updated version of the AGK3" xsi:schemaLocation="http://adc.astro.umd.edu/dataset_054 dataset_054.xsd">
  <dc:identifier>1176</dc:identifier>
  <h:provenance provenanceId="history_1176">
    <h:creation>
      <h:creator>
        <ppl:person>
          <ppl:firstName>Francois</ppl:firstName>
          <ppl:lastName>Ochsenbein</ppl:lastName>
          <ppl:institution>
            <ppl:name>CDS</ppl:name>
          </ppl:institution>
        </ppl:person>
      </h:creator>
      <stc:date>1996-11-05</stc:date>
    </h:creation>
    <h:revisions>
      <h:revision>
        <h:revisor>
          <ppl:team>
            <ppl:name>ADC staff</ppl:name>
            <ppl:institution>
              <ppl:name>ADC</ppl:name>
              <ppl:address>
                <ppl:street>Code 630, Goddard Space Flight Center/NASA</ppl:street>
                <ppl:postcode>20771</ppl:postcode>
                <ppl:city>Greenbelt</ppl:city>
                <ppl:state>Maryland</ppl:state>
                <ppl:country>United States of America</ppl:country>
              </ppl:address>
            </ppl:institution>
          </ppl:team>
          <p:note><![CDATA[Revision using version 1.36 of ADC's legacy conversion pipeline]]></p:note>
        </h:revisor>
        <stc:date>2002-07-12</stc:date>
        <p:note><![CDATA[XML generated from CDS/ADC ReadMe document and associated data files using txt2ML Rules Set: 1.56]]></p:note>
      </h:revision>
      <h:revision>
        <h:revisor>
          <ppl:team>
            <ppl:name>UMd-ADC staff</ppl:name>
            <ppl:institution>
              <ppl:name>UMd Astronomical Data Center</ppl:name>
              <ppl:address>
                <ppl:street>Department of Astronomy, University of Maryland</ppl:street>
                <ppl:postcode>20742</ppl:postcode>
                <ppl:city>College Park</ppl:city>
                <ppl:state>Maryland</ppl:state>
                <ppl:country>United States of America</ppl:country>
              </ppl:address>
              <ppl:email>thomas@astro.umd.edu</ppl:email>
              <ppl:url>http://archive.astro.umd.edu/archive</ppl:url>
            </ppl:institution>
          </ppl:team>
          <p:note><![CDATA[Revision using version 0.16 of the quantity/dataset transform pipeline.]]></p:note>
        </h:revisor>
        <stc:date>2005-09-30T05:03:12-04:00</stc:date>
        <p:note><![CDATA[This version of the document has unverified coordinate system information. Use at your ownrisk!]]></p:note>
      </h:revision>
    </h:revisions>
  </h:provenance>
  <p:references referencesId="ref_1176">
    <p:reference referenceId="srf1" type="source">
      <dc:title>The AGK3U: an updated version of the AGK3</dc:title>
      <p:abstract/>
      <p:description>
        <p:para type="section"><![CDATA[General Description]]></p:para>
        <p:para><![CDATA[
    The AGK3U is a updated version of the AGK3 catalog in which new
    positions from the Palomar "Quick V" survey have been added to improve
    the AGK3 proper motions. It provides FK4/B1950.0 positions and proper
    motions for 170,464 stars north of -2.5 degrees declination, at an
    average epoch of 1950.62. The proper motions have a two dimensional
    formal mean error of 0.82 arcsec/century.
    In addition to the positions and proper motions, the catalog contains
    the AGK3 number, the mean errors of the positions and proper motion in
    each coordinate, the photographic magnitude, the spectral type, and
    the Palomar plate position, epoch, and mean error.]]></p:para>
      </p:description>
      <p:author>
        <ppl:person>
          <ppl:initial>B</ppl:initial>
          <ppl:lastName>Bucciarelli</ppl:lastName>
        </ppl:person>
      </p:author>
      <p:author>
        <ppl:person>
          <ppl:initial>D</ppl:initial>
          <ppl:lastName>Daou</ppl:lastName>
        </ppl:person>
      </p:author>
      <p:author>
        <ppl:person>
          <ppl:initial>M</ppl:initial>
          <ppl:initial>G</ppl:initial>
          <ppl:lastName>Lattanzi</ppl:lastName>
        </ppl:person>
      </p:author>
      <p:author>
        <ppl:person>
          <ppl:initial>L</ppl:initial>
          <ppl:initial>G</ppl:initial>
          <ppl:lastName>Taff</ppl:lastName>
        </ppl:person>
      </p:author>
      <p:journal>
        <p:name>Astron. J.</p:name>
        <p:volume>103</p:volume>
        <p:pageno>1689</p:pageno>
        <stc:date>1992-??-??</stc:date>
        <p:bibcode>1992AJ....103.1689B</p:bibcode>
      </p:journal>
    </p:reference>
    <adc:reference referenceId="seeAlso_1_1" type="seeAlso">
      <dc:title>AGK3 Catalog</dc:title>
      <p:author>
        <ppl:person>
          <ppl:lastName/>
        </ppl:person>
      </p:author>
      <adc:holding role="similar">I/69: AGK3 Catalog<adc:altname namespace="http://adc.astro.umd.edu">1069</adc:altname>
</adc:holding>
    </adc:reference>
    <adc:reference referenceId="seeAlso_1_2" type="seeAlso">
      <dc:title>Catalog of Positions and Proper Motions (PPM-North), with improved data for Northern stars</dc:title>
      <p:author>
        <ppl:person>
          <ppl:lastName/>
        </ppl:person>
      </p:author>
      <adc:holding role="similar">I/146: Catalog of Positions and Proper Motions (PPM-North), with improved data for Northern stars<adc:altname namespace="http://adc.astro.umd.edu">1146</adc:altname>
</adc:holding>
    </adc:reference>
    <adc:reference referenceId="seeAlso_1_3" type="seeAlso">
      <dc:title>The Guide Star Catalog (GSC), V1.1</dc:title>
      <p:author>
        <ppl:person>
          <ppl:lastName/>
        </ppl:person>
      </p:author>
      <adc:holding role="similar">I/220: The Guide Star Catalog (GSC), V1.1<adc:altname namespace="http://adc.astro.umd.edu">1220</adc:altname>
</adc:holding>
    </adc:reference>
  </p:references>
  <adc:data>
    <cat:VOCatalog cid="adc_cat_catalog" name="catalog" description="*The AGK3U Catalogue">
      <dc:identifier>1176_catalog</dc:identifier>
      <p:note noteId="fna_catalog_1"><![CDATA[there is no star between RA: 23 51 17.875 and 24h According to Larry G. Taff <LGTAFF@stsci.edu> in a message to Sergei Puliaev <puliaev@dans.on.br>: "We discovered, after the fact, that there was a problem with the coordinate transformations near the pole just prior to the equinox".]]></p:note>
      <h:refProvenance provenanceIdRef="history_1176"/>
      <p:refReferences referencesIdRef="ref_1176"/>
      <cat:data>
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          <col:property name="RA" description="Right Ascension (Eq: B1950)" qid="catalog_RA">
            <cha:limits>
              <q:refQuantity qidRef="catalog_RA"/>
              <cha:min>00 00 00.952</cha:min>
              <cha:max>23 51 17.875</cha:max>
            </cha:limits>
            <ucd:ucd>RAhms</ucd:ucd>
            <stc:AstroCoordSystem qid="coords_catalog_RA_1176">
              <stc:TimeFrame>
                <stc:TimeScale>LST</stc:TimeScale>
                <stc:GEOCENTER/>
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              <stc:SpaceFrame>
                <stc:FK4>
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                    <stc:units>yr</stc:units>
                    <q:float width="5" precision="0"/>
                    <stc:value>1950.</stc:value>
                  </stc:Equinox>
                </stc:FK4>
                <stc:BARYCENTER/>
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                  <stc:coord_naxes>3</stc:coord_naxes>
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          <col:property name="e_RAs" description="Mean error of right ascension*cos(delta)." qid="catalog_e_RAs">
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            <q:float noDataValue="-99.99999" precision="5" width="9"/>
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          </col:property>
          <col:property name="e_DEs" description="Mean error of the declination." qid="catalog_e_DEs">
            <cha:limits>
              <q:refQuantity qidRef="catalog_e_DEs"/>
              <cha:min>0.07444</cha:min>
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            </cha:limits>
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          </col:property>
          <col:property name="pmRA" description="Proper motion in RA (* cos(delta)) (2)" qid="catalog_pmRA">
            <cha:limits>
              <q:refQuantity qidRef="catalog_pmRA"/>
              <cha:min>-641.25</cha:min>
              <cha:max>1966.68</cha:max>
            </cha:limits>
            <ucd:ucd>pmRA</ucd:ucd>
            <stc:CoordSystemRef qidRef="coords_catalog_RA_1176"/>
            <q:axes>
              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
            <au:units name="10mas/yr" factor="10">
              <au:unit>mas</au:unit>
              <au:unit power="-1">yr</au:unit>
            </au:units>
            <q:float noDataValue="-999999.99" precision="2" width="10"/>
            <q:values fromResource="res_catalog"/>
          </col:property>
          <col:property name="pmDE" description="Proper motion in declination (2)" qid="catalog_pmDE">
            <cha:limits>
              <q:refQuantity qidRef="catalog_pmDE"/>
              <cha:min>-117.38</cha:min>
              <cha:max>176.39</cha:max>
            </cha:limits>
            <ucd:ucd>pmDE</ucd:ucd>
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            <q:float noDataValue="-999999.99" precision="2" width="10"/>
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          </col:property>
          <col:property name="e_pmRA" description="Mean error of pmRA (2)" qid="catalog_e_pmRA">
            <cha:limits>
              <q:refQuantity qidRef="catalog_e_pmRA"/>
              <cha:min>0.336</cha:min>
              <cha:max>1.118</cha:max>
            </cha:limits>
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              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
            <au:units name="10mas/yr" factor="10">
              <au:unit>mas</au:unit>
              <au:unit power="-1">yr</au:unit>
            </au:units>
            <q:float noDataValue="-99.999" precision="3" width="7"/>
            <q:values fromResource="res_catalog"/>
          </col:property>
          <col:property name="e_pmDE" description="Mean error of pmDE (2)" qid="catalog_e_pmDE">
            <cha:limits>
              <q:refQuantity qidRef="catalog_e_pmDE"/>
              <cha:min>0.336</cha:min>
              <cha:max>1.118</cha:max>
            </cha:limits>
            <q:axes>
              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
            <au:units name="10mas/yr" factor="10">
              <au:unit>mas</au:unit>
              <au:unit power="-1">yr</au:unit>
            </au:units>
            <q:float noDataValue="-99.999" precision="3" width="7"/>
            <q:values fromResource="res_catalog"/>
          </col:property>
          <col:property name="EpRA" description="Mean epoch for the right ascension (3)" qid="catalog_EpRA">
            <cha:limits>
              <q:refQuantity qidRef="catalog_EpRA"/>
              <cha:min>1941.01</cha:min>
              <cha:max>1971.31</cha:max>
            </cha:limits>
            <q:axes>
              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
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              <au:unit>yr</au:unit>
            </au:units>
            <q:float noDataValue="-9999.99" precision="2" width="8"/>
            <q:values fromResource="res_catalog"/>
          </col:property>
          <col:property name="EpDE" description="Mean epoch for the declination (3)" qid="catalog_EpDE">
            <cha:limits>
              <q:refQuantity qidRef="catalog_EpDE"/>
              <cha:min>1941.01</cha:min>
              <cha:max>1971.31</cha:max>
            </cha:limits>
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              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
            <au:units name="yr">
              <au:unit>yr</au:unit>
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            <q:float noDataValue="-9999.99" precision="2" width="8"/>
            <q:values fromResource="res_catalog"/>
          </col:property>
          <col:property name="Model" description="[0/8] Model flag (4)" qid="catalog_Model">
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              <q:refQuantity qidRef="catalog_Model"/>
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            <u:unitless/>
            <q:integer noDataValue="-9" width="2" type="decimal"/>
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          <col:property name="Flag1" description="[.] Always a dot." qid="catalog_Flag1">
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            <q:string width="1" noDataValue=" "/>
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          </col:property>
          <col:property name="s0RA" description="sigma zero of least square solution in RA." qid="catalog_s0RA">
            <cha:limits>
              <q:refQuantity qidRef="catalog_s0RA"/>
              <cha:min>0.00000</cha:min>
              <cha:max>1262.75821</cha:max>
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            <q:axes>
              <q:refQuantity qidRef="obj_catalog"/>
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            <u:unitless/>
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          </col:property>
          <col:property name="s0DE" description="sigma zero of least square solution in Dec." qid="catalog_s0DE">
            <cha:limits>
              <q:refQuantity qidRef="catalog_s0DE"/>
              <cha:min>0.00000</cha:min>
              <cha:max>16329.08817</cha:max>
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            <q:float noDataValue="-9999.99999" precision="5" width="11"/>
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          </col:property>
          <col:property name="mpg" description="Photographic magnitude from PPM &lt;I/146&gt;" qid="catalog_mpg">
            <cha:limits>
              <q:refQuantity qidRef="catalog_mpg"/>
              <cha:min>7.10</cha:min>
              <cha:max>13.50</cha:max>
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            <q:axes>
              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
            <au:units name="mag">
              <au:unit>mag</au:unit>
            </au:units>
            <q:float noDataValue="-99.99" precision="2" width="6"/>
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          </col:property>
          <col:property name="Sp" description="Spectral type from the PPM &lt;I/146&gt;" qid="catalog_Sp">
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              <q:refQuantity qidRef="catalog_Sp"/>
              <cha:min/>
              <cha:max/>
            </cha:limits>
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            <u:unitless/>
            <q:string width="2" noDataValue="  "/>
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          </col:property>
          <col:property name="Type" description="[sm ] Type of adopted solution (5)" qid="catalog_Type">
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          <col:property name="RAGSC" description="Right Ascension (Eq: B1950)" qid="catalog_RAGSC">
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              <q:refQuantity qidRef="catalog_RAGSC"/>
              <cha:min>00 00 01.062</cha:min>
              <cha:max>23 51 18.136</cha:max>
            </cha:limits>
            <ucd:ucd>RAhms</ucd:ucd>
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            <q:string width="12" noDataValue="            "/>
            <q:values fromResource="res_catalog"/>
          </col:property>
          <col:property name="DEGSC" description="Declination (Eq: B1950)" qid="catalog_DEGSC">
            <cha:limits>
              <q:refQuantity qidRef="catalog_DEGSC"/>
              <cha:min>-02 29 56.76</cha:min>
              <cha:max>+89 51 53.54</cha:max>
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            <ucd:ucd>DEdms</ucd:ucd>
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          </col:property>
          <col:property name="EpGSC" description="Epoch of GSC observation (3)" qid="catalog_EpGSC">
            <cha:limits>
              <q:refQuantity qidRef="catalog_EpGSC"/>
              <cha:min>1951.49</cha:min>
              <cha:max>1988.71</cha:max>
            </cha:limits>
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              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
            <au:units name="yr">
              <au:unit>yr</au:unit>
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            <q:float noDataValue="-9999.99" precision="2" width="8"/>
            <q:values fromResource="res_catalog"/>
          </col:property>
          <col:property name="ErrGSC" description="Mean error per coordinate in GSC" qid="catalog_ErrGSC">
            <cha:limits>
              <q:refQuantity qidRef="catalog_ErrGSC"/>
              <cha:min>0.0894</cha:min>
              <cha:max>1.1251</cha:max>
            </cha:limits>
            <q:axes>
              <q:refQuantity qidRef="obj_catalog"/>
            </q:axes>
            <au:units name="arcsec">
              <au:unit>arcsec</au:unit>
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            <q:float noDataValue="-99.9999" precision="4" width="8"/>
            <q:values fromResource="res_catalog"/>
          </col:property>
        </col:object>
      </cat:data>
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  </adc:data>
</adc:VO_Catalog_ADC>
