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<ri:Resource created="2003-06-14T21:24:31Z" 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>UBV photometry of X-ray binary HZ Her</title><shortName>J/AZh/79/1087</shortName><identifier>ivo://CDS.VizieR/J/AZh/79/1087</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Sheffer E.K.</name></creator><creator><name>Voloshina I.B.</name></creator><creator><name>Goransky V.P.</name></creator><creator><name>Lyuty V.M.</name></creator><date role="Updated">2017-06-26T11:50:19Z</date><date role="Created">2003-06-14T21:24:31Z</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>x-ray-binary-stars</subject><subject>photometry</subject><description>We present UBV photoelectric and CCD observations of HZ Her/Her X-1 system near its primary minimum in 1999, when the object was in anomalous low X-ray state, together with UBV observations accumulated since 1988.</description><source format="bibcode">2002AZh....79.1087S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AZh/79/1087</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/342/736">J/A+A/342/736 : Pre-eclipse dip of Her X-1 (Stelzer+ 1999)</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/AZh/79/1087</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AZh/79/1087</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AZh/79/1087</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AZh/79/1087</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/AZh/79/1087</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AZh/79/1087</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/AZh/79/1087/table1</name><description>1999 observations of HZ Her near the primary minimum</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>JD</name><description>[2451282/2451407] Julian date</description><unit>d</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Phase</name><description>Orbital phase (Period=1.7day)</description><ucd>time.phase</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>psi35</name><description>Phase of 35-day cycle</description><ucd>time.phase</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Vmag</name><description>? 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