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<ri:Resource created="2006-12-04T12:04:18Z" status="active" updated="2025-06-13T15:25:00Z" 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>Brightness and diameters for extragalactic SNRs</title><shortName>J/A+A/435/437</shortName><identifier>ivo://CDS.VizieR/J/A+A/435/437</identifier><altIdentifier>doi:10.26093/cds/vizier.34350437</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Urosevic D.</name></creator><creator><name>Pannuti T.G.</name></creator><creator><name>Duric N.</name></creator><creator><name>Theodorou A.</name></creator><date role="Updated">2006-12-04T11:04:55Z</date><date role="Created">2006-12-04T12:04:18Z</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>radio-galaxies</subject><subject>galaxies</subject><subject>supernova-remnants</subject><description>This paper examines relations between the radio surface brightness Sigma and the diameter D (also known as Sigma-D relations) for a sample of extragalactic supernova remnants (SNRs) as constructed from a combination of published data and data from our own surveys. 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