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<ri:Resource created="2018-10-25T08:10:29Z" 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>Compact Groups in SDSSDR12</title><shortName>J/A+A/618/A157</shortName><identifier>ivo://CDS.VizieR/J/A+A/618/A157</identifier><altIdentifier>doi:10.26093/cds/vizier.36180157</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Diaz-Gimenez E.</name></creator><creator><name>Zandivarez A.</name></creator><creator><name>Taverna A.</name></creator><date role="Updated">2019-04-18T11:25:55Z</date><date role="Created">2018-10-25T08:10:29Z</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>surveys</subject><subject>galaxy-clusters</subject><subject>redshifted</subject><subject>galaxy-kinematics</subject><subject>visible-astronomy</subject><subject>sloan-photometry</subject><description>A catalogue of compact groups identified on the SDSS DR12 is provided. Compact Groups were identified in redshift space with a modified Hickson-like algorithm. The catalogue comprises 462 compact groups of which 406 clearly fulfil all the compact group requirements: compactness, isolation and velocity concordance of all of their members. The remaining 56 groups need further redshift information of potentially contaminating sources.</description><source format="bibcode">2018A&amp;A...618A.157D</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/618/A157</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/V/147">V/147 : The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/VII/213">VII/213 : Hickson's Compact groups of Galaxies (Hickson+ 1982-1994)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/127/1811">J/AJ/127/1811 : Catalog of SDSS compact groups of galaxies (Lee+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/395/255">J/MNRAS/395/255 : Compact groups of galaxies in SDSS DR6 (McConnachie+, 2009)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/418/1409">J/MNRAS/418/1409 : Compact groups of galaxies in SDSS DR7 (Mendel+, 2011)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/225/23">J/ApJS/225/23 : Compact groups of galaxies in SDSS-DR12 (MLCG) (Sohn+, 2016)</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/618/A157</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/618/A157</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South 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