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<ri:Resource created="2012-10-06T17:04:07Z" 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 of galaxies in SDSS DR7</title><shortName>J/MNRAS/418/1409</shortName><identifier>ivo://CDS.VizieR/J/MNRAS/418/1409</identifier><altIdentifier>doi:10.26093/cds/vizier.74181409</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Mendel J.T.</name></creator><creator><name>Ellison S.L.</name></creator><creator><name>Simard L.</name></creator><creator><name>Patton D.R.</name></creator><creator><name>McConnachie A.W.</name></creator><date role="Updated">2024-07-15T20:17:11Z</date><date role="Created">2012-10-06T17:04:07Z</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>galaxy-classification-systems</subject><subject>redshifted</subject><description>We investigate the properties of photometrically selected compact groups (CGs) in the Sloan Digital Sky Survey. In this paper, the fourth in a series, we focus on understanding the characteristics of our observed CG sample with particular attention paid to quantifying and removing contamination from projected foreground or background galaxies. 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