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<ri:Resource created="2009-12-11T16:16:20Z" 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>ROSAT Brightest Cluster Sample. III.</title><shortName>J/MNRAS/306/857</shortName><identifier>ivo://CDS.VizieR/J/MNRAS/306/857</identifier><altIdentifier>doi:10.26093/cds/vizier.73060857</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Crawford C.S.</name></creator><creator><name>Allen S.W.</name></creator><creator><name>Ebeling H.</name></creator><creator><name>Edge A.C.</name></creator><creator><name>Fabian A.C.</name></creator><date role="Updated">2024-06-26T20:16:04Z</date><date role="Created">2009-12-11T16:16:20Z</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>x-ray-sources</subject><subject>redshifted</subject><description>We present new spectra of dominant galaxies in X-ray-selected clusters of galaxies, which combine with our previously published spectra to form a sample of 256 dominant galaxies in 215 clusters. 177 of the clusters are members of the ROSAT Brightest Cluster Sample (BCS; Ebeling et al., 1998MNRAS.301..881E), and 17 have no previous measured redshift. 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