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<ri:Resource created="2011-09-06T15:12:44Z" 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 linear polarization at McDonald Obs.</title><shortName>J/ApJS/194/19</shortName><identifier>ivo://CDS.VizieR/J/ApJS/194/19</identifier><altIdentifier>doi:10.26093/cds/vizier.21940019</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Wills B.J.</name></creator><creator><name>Wills D.</name></creator><creator><name>Breger M.</name></creator><date role="Updated">2018-01-02T13:42:59Z</date><date role="Created">2011-09-06T15:12:44Z</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>polarimetry</subject><subject>quasars</subject><subject>active-galactic-nuclei</subject><description>We present 976 previously unpublished optical linear polarization measurements of quasars, active galactic nuclei, and some stars observed for interstellar polarization. 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IV. (Reich+, 2000)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/142/451">J/A+AS/142/451 : Optical Polarization of 47 QSOs (Lamy+, 2000)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/512/125">J/ApJ/512/125 : Polarization of broad absorption line QSOs (Schmidt+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/129/87">J/A+AS/129/87 : ROSAT RASS II observations of IRAS galaxies (Boller+ 1998)</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 (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/ApJS/194/19</accessURL><mirrorURL title="VizieR 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