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<ri:Resource created="1998-06-05T15:06:52Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" 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/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>Compendium of Radio Spectra and Luminosities</title><shortName>J/ApJS/81/83</shortName><identifier>ivo://CDS.VizieR/J/ApJS/81/83</identifier><altIdentifier>doi:10.26093/cds/vizier.20810083</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Herbig T.</name></creator><creator><name>Readhead A.C.S.</name></creator><date role="Updated">1998-06-05T15:07:28Z</date><date role="Created">1998-06-05T15:06:52Z</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><description>This catalog is a complete sample of 256 powerful extragalactic radio sources. The catalog includes source identification, redshift, luminosities and spectral indices at standard rest frequencies as well as bolometric luminosities between emitted frequencies of 10 MHz and 100 GHz. The paper also includes fits to the measured radio spectra which have not been included in this catalog.</description><source format="bibcode">1992ApJS...81...83H</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/81/83</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</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/ApJS/81/83</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/81/83</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/81/83</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/81/83</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/81/83</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/81/83</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface></capability><capability standardID="ivo://ivoa.net/std/TAP#aux"><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://tapvizier.cds.unistra.fr/TAPVizieR/tap</accessURL></interface></capability><coverage><footprint ivo-id="ivo://ivoa.net/std/moc"/><waveband>Radio</waveband></coverage><tableset><schema><name>default</name><table><name>J/ApJS/81/83/table1</name><description>Redshifts and Luminosities of sources in the combined sample</description><column><name>name</name><description>Other common name.</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="7*">char</dataType></column><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>IAUname</name><description>IAU name of the object.</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>z</name><description>Redshift of the object.</description><ucd>src.redshift</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_z</name><description>* [* ] * means Estimated redshifts</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>P150</name><description>* Emitted Luminosity at 150 MHz</description><unit>W/Hz</unit><ucd>phys.luminosity</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>P2500</name><description>* Emitted Luminosity at 2.5 GHz</description><unit>W/Hz</unit><ucd>phys.luminosity</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>P4000</name><description>* Emitted Luminosity at 40 GHz</description><unit>W/Hz</unit><ucd>phys.luminosity</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Pbol</name><description>* Emitted bolometric luminosities</description><unit>W</unit><ucd>phys.luminosity</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>alph150</name><description>Spectral index (S ~ nu^alpha at 150MHz)</description><ucd>spect.index</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>alph2500</name><description>Spectral index at 2.5 GHz</description><ucd>spect.index</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>alph4000</name><description>Spectral index at 40 GHz</description><ucd>spect.index</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>phi</name><description>* Spline fitting parameter</description><ucd>stat.fit.param</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>mem</name><description>* [ABC ] Sample membership</description><ucd>meta.code.member</ucd><dataType xsi:type="vs:VOTableType" arraysize="3*">char</dataType></column><column><name>r_z</name><description>* References to redshifts</description><ucd>meta.ref</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column></table></schema></tableset></ri:Resource>