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<ri:Resource created="2005-03-14T15:44:52Z" 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>Optical spectroscopy of radio sources</title><shortName>III/175</shortName><identifier>ivo://CDS.VizieR/III/175</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Stickel M.</name></creator><creator><name>Kuehr H.</name></creator><creator><name>Fried J.W.</name></creator><date role="Updated">2018-01-30T07:18:08Z</date><date role="Created">2005-03-14T15:44:52Z</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><subject>radio-sources</subject><subject>active-galactic-nuclei</subject><subject>quasars</subject><subject>redshifted</subject><description>A number of flat spectrum radio sources have been observed in optical spectroscopy; most of the sources are either classified as BL Lacertae objects or have been described as BL Lac candidates.</description><source format="bibcode">1989A&amp;AS...80..103S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/III/175</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/J/A+AS/98/393">J/A+AS/98/393 : II-Observational data</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/105/67">J/A+AS/105/67 : Optical identifications from 1Jy, S4, S5</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/105/211">J/A+AS/105/211 : Optical identification of 1Jy</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/115/1">J/A+AS/115/1 : Optical identifications from S5 catalog</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/115/11">J/A+AS/115/11 : Optical identifications from 1Jy, S4, S5</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=III/175</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=III/175</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=III/175</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=III/175</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=III/175</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=III/175</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><capability xsi:type="cs:ConeSearch" standardID="ivo://ivoa.net/std/ConeSearch"><description>Cone search capability for table III/175/table1 (Observed radio source identifications)</description><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/conesearch/III/175/table1?</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/conesearch/III/175/table1?</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/conesearch/III/175/table1?</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface><maxSR>180.0</maxSR><maxRecords>50000</maxRecords><verbosity>true</verbosity><testQuery><ra>1.5579527</ra><dec>-6.3930305</dec><sr>0.005555555555555556</sr></testQuery></capability><coverage><spatial>6/60 1597 1603 1688 2331 2396 2397 2600 2710 2721 3402 3537 3559 3839 3871 3930 4695 5975 6164 6996 7129 7389 7655 7656 7880 7881 7969 8004 8067 8081 8161 8180 9204 9545 9632 9688 10228 10983 11136 11320 11639 11646 11709 11732 11742 11774 11991 12051 12057 12251 12266 12475 12599 13156 13667 13693 13722 13764 13800 13905 15196 15286 15916 15951 16027 16033 16062 16081 16083 16087 16093 16113 16170 16247 16272 16281 16323 16333 16496 17351 18378 18784 19166 20213 20476 21049 21121 21358 21437 21924 24608 25255 25428 25630 29675 31029 31664 32594 32841 34095 34099 34264 38483 38763 40131 40547 43366 46394 46848 48496 48595 48724</spatial><spectral>3.313034785154005e-24 3.313034785154005e-24</spectral><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/III/175?format=ascii</footprint><waveband>Optical</waveband><waveband>Radio</waveband></coverage><tableset><schema><name>default</name><table><name>III/175/table1</name><description>Observed radio source identifications</description><column><name>Object</name><description>Object name</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType><flag>primary</flag></column><column><name>recno</name><description>Record number assigned by the VizieR team. 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