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<ri:Resource created="1997-12-09T17:21:14Z" status="active" updated="2025-06-13T15:25:00Z" 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>Period changes in RT Lac</title><shortName>J/A+A/287/817</shortName><identifier>ivo://CDS.VizieR/J/A+A/287/817</identifier><altIdentifier>doi:10.26093/cds/vizier.32870817</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>KESKIN V.</name></creator><creator><name>IBANOGLU M.C.</name></creator><creator><name>AKAN C.</name></creator><creator><name>EVREN S.</name></creator><creator><name>TUNCA Z.</name></creator><date role="Updated">1997-12-09T16:21:18Z</date><date role="Created">1997-12-09T17:21:14Z</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>eclipsing-binary-stars</subject><subject>variable-stars</subject><description>(no description available)</description><source format="bibcode">1994A&amp;A...287..817K</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/287/817</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</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/287/817</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/287/817</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/287/817</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/287/817</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/287/817</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/287/817</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/287/817/table2</name><description>Up-dated times of primary and secondary eclipses and residuals</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>Min</name><description>Time of minima in Julian day</description><unit>d</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>E</name><description>Integer eclipse cycle number</description><ucd>meta.number;time.period</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>O-C(I)</name><description>Observed-calculated residual for primary minima</description><unit>d</unit><ucd>stat.fit.omc;time</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>O-C(II)</name><description>[]? Observed-calculated residual for secondary minima</description><unit>d</unit><ucd>stat.fit.omc;time</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Ref</name><description>References: (1) Hall &amp; Kreiner (1980) (2) Ibanoglu et al. (1980) (3) Tunca et al. (1983) (4) Evren (1989) (5) This paper</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column></table></schema></tableset></ri:Resource>