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<ri:Resource created="1997-12-09T17:54:30Z" status="active" updated="2025-06-13T15:25:00Z" 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>Quasar and radio galaxies flux densities</title><shortName>J/A+A/319/757</shortName><identifier>ivo://CDS.VizieR/J/A+A/319/757</identifier><altIdentifier>doi:10.26093/cds/vizier.33190757</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Hoekstra H.</name></creator><creator><name>Barthel P.D.</name></creator><creator><name>Hes R.</name></creator><date role="Updated">1997-12-09T16:54:45Z</date><date role="Created">1997-12-09T17:54:30Z</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>quasars</subject><description>The tables described below contain the data used in the analysis. The data have been taken from various sources in the literature. The references to the data can be found in the paper. Table 1 contains the data of the 3C radio galaxy sample. Table 2 contains the data of the 3C quasar sample. Table 3 contains the data of the 4C quasar sample. The tables list the name of the object, its redshift, the value of the Q-parameter (ratio between the core and extended flux at 5 GHz observed frequency), and the flux densities at various frequencies.</description><source format="bibcode">1997A&amp;A...319..757H</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/319/757</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/A+A/319/757</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/319/757</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/319/757</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/319/757</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/319/757</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/319/757</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/A+A/319/757/table1</name><description>Data of 3C radio galaxy sample</description><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>Name</name><description>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>log(Q)</name><description>Q-parameter (ratio between the core and extended flux at 5 GHz observed frequency)</description><ucd>phot.flux;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F178MHz</name><description>Flux density extended emission at 178 MHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.100-200MHz</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>F318MHz</name><description>? Total flux density at 318 MHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.200-400MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F408MHz</name><description>? Total flux density at 408 MHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.200-400MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F750MHz</name><description>? Total flux density at 750 MHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.400-750MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F1400MHz</name><description>Total flux density at 1.4 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.750-1500MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F2700MHz</name><description>? Total flux density at 2.7 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.1500-3000MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F5000MHz</name><description>Total flux density at 5.0 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.3-6GHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F10700MHz</name><description>? Total flux density at 10.7 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.6-12GHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F14900MHz</name><description>? Total flux density at 14.9 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.12-30GHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F60um</name><description>? Total flux density at 60 micron</description><unit>mJy</unit><ucd>phot.flux.density;em.IR.30-60um</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column></table><table><name>J/A+A/319/757/table2</name><description>Data of 3C quasar sample</description><column><name>F5000MHz</name><description>Total flux density at 5.0 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.3-6GHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>recno</name><description>Record number assigned by the VizieR team. 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Total flux density at 318 MHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.200-400MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F408MHz</name><description>? Total flux density at 408 MHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.200-400MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F750MHz</name><description>? Total flux density at 750 MHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.400-750MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F1400MHz</name><description>Total flux density at 1.4 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.750-1500MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F2700MHz</name><description>? Total flux density at 2.7 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.1500-3000MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F10700MHz</name><description>? Total flux density at 10.7 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.6-12GHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F14900MHz</name><description>? Total flux density at 14.9 GHz</description><unit>Jy</unit><ucd>phot.flux.density;em.radio.12-30GHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F60um</name><description>? Total flux density at 60 micron</description><unit>mJy</unit><ucd>phot.flux.density;em.IR.30-60um</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column></table><table><name>J/A+A/319/757/table3</name><description>Data of 4C quasar sample</description><column><name>Name</name><description>Name of the object</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>recno</name><description>Record number assigned by the VizieR team. 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