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<ri:Resource created="2004-07-25T09:02:00Z" 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>Measured Redshifts of Abell Clusters of Galaxies</title><shortName>VII/165A</shortName><identifier>ivo://CDS.VizieR/VII/165A</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Andernach H.</name></creator><date role="Updated">2018-01-30T07:17:50Z</date><date role="Created">2004-07-25T09:02:00Z</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>galaxy-clusters</subject><subject>redshifted</subject><description>The 'ACO' catalog (Abell, Corwin and Olowin 1989; Cat. VII/110) that contains 4076 rich (A-) clusters of galaxies and 1174 supplementary (S-) clusters was used to compile this catalog. In the compilation, many papers containing galaxy redshifts were checked for positional coincidences of objects with Abell clusters (typically within one Abell radius). In a total of 1059 ACO clusters a redshift for one or more galaxies were found. These 1059 clusters (records) are sorted by the R.A. (B1950) of their centre. Each record consists of cluster name, cluster centre equatorial coordinates (B1950), Abell richness, distance, Bautz-Morgan class, the magnitude of the tenth-brightest cluster member, cluster measured redshift, the reference code, the Abell radius, and the decimal log of the ratio between measured and estimated redshift.</description><source format="bibcode">1991lssp.conf..279A</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/VII/165A</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/VII/110">VII/110 : The "ACO-catalogue" (Abell+ 1989)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/VII/177">VII/177 : Redshifts and Vel Dispersions for Abell Clusters (Struble+ 1991)</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=VII/165A</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=VII/165A</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=VII/165A</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=VII/165A</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=VII/165A</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South 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ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/VII/165A?format=ascii</footprint><waveband>Optical</waveband></coverage><tableset><schema><name>default</name><table><name>VII/165A/catalog</name><description>Measured redshifts of Abell clusters of galaxies</description><column><name>recno</name><description>Record number assigned 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>Prefix</name><description>[AS] prefix for the cluster name</description><ucd>meta.id;meta.dataset</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>IDnum</name><description>[1,4076] numbering part of the cluster name</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>m_IDnum</name><description>[=ABCNS] suffix for the cluster name</description><ucd>meta.code.multip</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>RAB1950</name><description>[0,24[+= right ascension (B1950)</description><ucd>pos.eq.ra;meta.main</ucd></column><column><name>DEB1950</name><description>declination (B1950)</description><ucd>pos.eq.dec;meta.main</ucd></column><column><name>Rich</name><description>[0,5] Abell richness class</description><ucd>src.class.richness</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Dist</name><description>[0,7] Abell distance class</description><ucd>src.class.distance</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>BM</name><description>[1,5]? Bautz-Morgan class</description><ucd>src.class.struct</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>q_BM</name><description>[:?] quality code of BM, as of ACO</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>m10</name><description>magnitude of 10th brightest cluster member</description><unit>mag</unit><ucd>phot.mag</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>q_z</name><description>[:*!?f] quality code of redshift</description><ucd>meta.code.qual;src.redshift</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>z</name><description>[0,] cluster redshift</description><ucd>src.redshift</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>r_z</name><description>[A-Za-z]! reference code in "refs.dat"</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Arad</name><description>[0,] Abell radius (=3 Mpc/Ho/50), using qo=0.10</description><unit>arcmin</unit><ucd>phys.angSize;src</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>log(Zm/Ze)</name><description>The ratio between measured and estimated z</description><ucd>stat.fit.omc</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>NED</name><description>Details from NED on this cluster</description><ucd>meta.ref.url</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column><column><name>Simbad</name><description>Details from Simbad on this cluster</description><ucd>meta.ref.url</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column><column><name>_RA.icrs</name><description>Right ascension (ICRS) (computed by VizieR, not part of the original data)</description><ucd>pos.eq.ra</ucd><flag>nullable</flag><flag>indexed</flag></column><column><name>_DE.icrs</name><description>Declination (ICRS) (computed by VizieR, not part of the original data)</description><ucd>pos.eq.dec</ucd><flag>nullable</flag><flag>indexed</flag></column></table><table><name>VII/165A/refs</name><description>References</description><column><name>recno</name><description>Record number assigned by the VizieR team. 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