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<ri:Resource created="2000-03-13T12:41:54Z" 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>Optical Polarization of 47 QSOs</title><shortName>J/A+AS/142/451</shortName><identifier>ivo://CDS.VizieR/J/A+AS/142/451</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Lamy H.</name></creator><creator><name>Hutsemekers D.</name></creator><date role="Updated">2000-03-13T11:42:08Z</date><date role="Created">2000-03-13T12:41:54Z</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>quasars</subject><subject>polarimetry</subject><description>New broad-band linear polarization measurements are presented for a sample of 47 QSOs which includes 27 broad absorption line QSOs and 2 gravitational lens candidates.</description><source format="bibcode">2000A&amp;AS..142..451L</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+AS/142/451</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/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 (Hutsemekers+ 1998)</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+AS/142/451</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+AS/142/451</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+AS/142/451</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+AS/142/451</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+AS/142/451</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+AS/142/451</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+AS/142/451/table3</name><description>Polarimetric measurements</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Object</name><description>Name of object (1)</description><dataType xsi:type="vs:VOTableType" arraysize="10*">char</dataType><flag>primary</flag></column><column><name>z</name><description>Redshift</description><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Date</name><description>Date of observation</description><flag>nullable</flag></column><column><name>Filter</name><description>Filter</description><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>q</name><description>Normalized Stokes parameter (NSP) q</description><unit>%</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>u</name><description>Normalized Stokes parameter (NSP) u</description><unit>%</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_q</name><description>Uncertainty of Normalized Stokes parameters</description><unit>%</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>q*</name><description>? NSP q* of the field stars</description><unit>%</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>u*</name><description>? NPS u* of the field stars</description><unit>%</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_q*</name><description>? Uncertainty on the NSPs for the field stars</description><unit>%</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column></table><table><name>J/A+AS/142/451/table4</name><description>Final polarimetric data</description><column><name>recno</name><description>Record number assigned by the VizieR team. 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