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<ri:Resource created="2006-03-25T23:05:40Z" status="active" updated="2026-01-13T00:00:00Z" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" 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/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" xsi:type="vs:CatalogService"><title>Open clusters proper motions based on UCAC2</title><shortName>J/A+A/446/949</shortName><identifier>ivo://CDS.VizieR/J/A+A/446/949</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Dias W.S.</name></creator><creator><name>Florio</name></creator><creator><name>V.</name></creator><creator><name>Assafin M.</name></creator><creator><name>Alessi B.S.</name></creator><creator><name>Libero V.</name></creator><date role="Updated">2017-10-09T13:34:21Z</date><date role="Created">2006-03-25T23:05:40Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>open-star-clusters</subject><subject>proper-motions</subject><description>We present the kinematics of hundreds of open clusters, based on the UCAC2 Catalogue positions and proper motions. Membership probabilities were obtained for the stars in the cluster fields by applying a statistical method uses stellar proper motions. All open clusters with known distance were investigated, and for 75 clusters this is the first determination of the mean proper motion. 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by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Name</name><description>Cluster name</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="15*">char</dataType></column><column><name>Note</name><description>[*] * for unpublished values</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>pmRACl</name><description>Mean proper motion of the cluster in mu_alpha.cos(delta), ICRS</description><unit>mas/yr</unit><ucd>pos.pm;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>pmDECl</name><description>Mean proper motion of the cluster in mu_delta, ICRS</description><unit>mas/yr</unit><ucd>pos.pm;pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_pmRACl</name><description>Error in pmRA,and pmDEC ICRS</description><unit>mas/yr</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Nc</name><description>Estimated number of members in the cluster</description><ucd>meta.number</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>pmRAS</name><description>Mean proper motion of the field stars in mu_alpha.cos(delta), ICRS</description><unit>mas/yr</unit><ucd>pos.pm;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>pmDES</name><description>Mean proper motion of the field stars in mu_delta, ICRS</description><unit>mas/yr</unit><ucd>pos.pm;pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_pmRAS</name><description>Standard deviation of the mean proper motion of the field stars in mu_alpha.cos(delta), ICRS</description><unit>mas/yr</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_pmDES</name><description>Standard deviation of the mean proper motion of the field stars in mu_delta, ICRS</description><unit>mas/yr</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Nfield</name><description>Estimated number of field stars</description><ucd>meta.number</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>theta</name><description>Rotation angle to the major axis</description><unit>deg</unit><ucd>pos.posAng;pos.pm</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Rad</name><description>Radius (centered in the coordinates of the cluster) used to extract the stars from the UCAC2 Catalogue</description><unit>arcmin</unit><ucd>phys.angSize;src</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Table</name><description>Name of the table in "pm" subdirectory containing proper motions and membership</description><ucd>meta.id;meta.dataset</ucd><dataType xsi:type="vs:VOTableType" arraysize="18*">char</dataType></column><column><name>Stars</name><description>Simbad column added by the CDS</description><ucd>meta.ref</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column></table><table><name>J/A+A/446/949/pm</name><description>Stars from all 430 clusters</description><column><name>recno</name><description>Record number assigned by the VizieR team. 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J magnitude (1.2um) from 2MASS</description><unit>mag</unit><ucd>phot.mag;em.IR.J</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Hmag</name><description>? H magnitude (1.6um) from 2MASS</description><unit>mag</unit><ucd>phot.mag;em.IR.H</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Kmag</name><description>? K magnitude (2.2um) from 2MASS</description><unit>mag</unit><ucd>phot.mag;em.IR.K</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Pr</name><description>Membership probability</description><unit>%</unit><ucd>meta.code.member</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column></table></schema></tableset></ri:Resource>