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<ri:Resource created="2002-07-11T09:53:35Z" 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>Long-Term Polarization of BL Lac</title><shortName>J/A+A/385/55</shortName><identifier>ivo://CDS.VizieR/J/A+A/385/55</identifier><altIdentifier>doi:10.26093/cds/vizier.33850055</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Hagen-Thorn V.A.</name></creator><creator><name>Larionova E.G.</name></creator><creator><name>Jorstad S.G.</name></creator><creator><name>Bjornsson C.-I.,Larionov V.M.</name></creator><date role="Updated">2002-07-11T09:53:43Z</date><date role="Created">2002-07-11T09:53:35Z</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>bl-lacertae-objects</subject><subject>polarimetry</subject><description>Both photometric and polarimetric data of BL Lac were obtained with the .5-m telescopes of the Byurakan station of the Astronomical Institute of St.-Petersburg University.</description><source format="bibcode">2002A&amp;A...385...55H</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/385/55</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>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/II/206">II/206 : Stellar Polarization Bibliography (Belous, 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/II/226">II/226 : Stellar polarization catalogs agglomeration (Heiles, 2000)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/332/410">J/A+A/332/410 : Quasar polarization (Hutsemekers 1998)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/340/371">J/A+A/340/371 : Quasar polarization of BAL and lensed QSOs (Hutsemekers+ 1998)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/353/77">J/A+A/353/77 : Variability + polarization of luminous QSOs (Teerikorpi+, 2000)</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/385/55</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/385/55</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/385/55</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/385/55</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/385/55</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/385/55</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>Optical</waveband></coverage><tableset><schema><name>default</name><table><name>J/A+A/385/55/table1</name><description>Polarisation parameters</description><column><name>recno</name><description>Record number assigned by the VizieR team. 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