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<ri:Resource created="2007-10-28T16:19:29Z" status="active" updated="2025-05-19T09:50:00Z" 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>Catalogue of Open Cluster Data (COCD)</title><shortName>J/A+A/438/1163</shortName><identifier>ivo://CDS.VizieR/J/A+A/438/1163</identifier><altIdentifier>doi:10.26093/cds/vizier.34381163</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Kharchenko N.V.</name></creator><creator><name>Piskunov A.E.</name></creator><creator><name>Roeser S.</name></creator><creator><name>Schilbach E.</name></creator><creator><name>Scholz R.-D.</name></creator><date role="Updated">2017-12-15T10:55:47Z</date><date role="Created">2007-10-28T16:19:29Z</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>radial-velocity</subject><subject>proper-motions</subject><subject>photometry</subject><description>The catalogue is a result of studies of wide neighborhoods of 513 open clusters and 7 compact associations carried out in high precision homogeneous all sky catalogue ASCC-2.5 (Kharchenko, 2001, Cat. &lt;I/280&gt;). On the basis of data on about 33000 possible members (including about 10000 most probable ones) and homogeneous methods of cluster parameter determination the angular sizes of cluster cores and coronae, cluster heliocentric distances, mean proper motions, mean radial velocities and ages were established and collected in the COCD. These include cluster distances for 200 clusters, average cluster radial velocities for 94 clusters, and cluster ages for 195 clusters derived for the first time. Clusters in the catalogue are sorted by right ascension J2000 order. The Open Cluster Diagrams Atlas (OCDA) presents a set of open cluster diagrams used for the determination of parameters of 513 open clusters and 7 compact associations, and is intended to illustrate the quality of the constructed cluster membership (Kharchenko et al., 2004, Cat. &lt;J/AN/425/740&gt;), and the accuracy of the derived cluster parameters (this paper). Every diagram presents relation between various stellar data from all sky catalogue ASCC-2.5 (Kharchenko 2001, Cat. &lt;I/280&gt;) in area of the specific cluster. There are five diagrams provided for every cluster in the Atlas: the area map, the density profile, the vector point diagram, the magnitude equation diagram, and the color-magnitude diagram. The OCDA consists of 520 PostScript plots stored as gzipped files (i.e. one file per cluster).</description><source format="bibcode">2005A&amp;A...438.1163K</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/438/1163</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/440/403">J/A+A/440/403 : 109 new Galactic open clusters (Kharchenko+, 2005)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/I/280">I/280 : All-sky Compiled Catalogue of 2.5 million stars (Kharchenko 2001)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AN/325/740">J/AN/325/740 : Astrophysical supplements to ASCC-2.5 (Kharchenko+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/III/239">III/239 : Radial Velocities with Astrometric Data (Kharchenko+ 2004)</relatedResource><relatedResource>http://www.astro.iag.usp.br/~wilton : Open clusters and Galactic Structure</relatedResource></relationship></content><rights>https://cds.unistra.fr/vizier-org/licences_vizier.html</rights><capability><interface xsi:type="vr:WebBrowser"><accessURL use="full">https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/438/1163</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/438/1163</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/438/1163</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL 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Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Seq</name><description>[1-520] Cluster sequential number</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>n_Seq</name><description>[0,1] 1 indicates a note detailed in notes.dat</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Name</name><description>NGC, IC or other common designation</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="17*">char</dataType></column><column><name>OName</name><description>Other designation of the cluster</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="17*">char</dataType></column><column><name>RAdeg</name><description>Adopted cluster center in RA J2000.0</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd></column><column><name>DEJ2000</name><description>Adopted cluster center in Dec J2000.0</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd></column><column><name>GLON</name><description>Galactic longitude</description><unit>deg</unit><ucd>pos.galactic.lon</ucd></column><column><name>GLAT</name><description>Galactic latitude</description><unit>deg</unit><ucd>pos.galactic.lat</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Rco</name><description>Angular radius of the core</description><unit>deg</unit><ucd>phys.angSize</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Rcl</name><description>Angular radius of the cluster</description><unit>deg</unit><ucd>phys.angSize</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>RV</name><description>? 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RV from literature</description><unit>km/s</unit><ucd>phys.veloc;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_RVref</name><description>? Standard error in RVref</description><unit>km/s</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>r_RVref</name><description>? Source of RVref</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>logtref</name><description>? Average age from literature</description><unit>log(yr)</unit><ucd>time.age</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>r_logtref</name><description>? 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