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<ri:Resource created="1997-12-09T21:54:32Z" 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>Close double stars</title><shortName>V/42</shortName><identifier>ivo://CDS.VizieR/V/42</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Svechnikov M.A.</name></creator><creator><name>Bessonova L.A.</name></creator><date role="Updated">1997-12-09T20:54:39Z</date><date role="Created">1997-12-09T21:54:32Z</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>orbits</subject><description>This catalogue is a new edition of the catalogue of the photometric and absolute elements of close double systems by Svechnikov (ref 142). After the appearance of this catalogue(1969), the numerous new data concerning both photometric and spectroscopic elements of orbits of the eclipsing binaries were published. The precision of determination of the light curves of eclipsing systems is essentially augmented; now, the light curves of eclipsing binaries are obtained mainly by means of multicolour photoelectric observations; for a number of systems,e extra-atmospheric observations from satellites and orbital astronomical observatories are available. More details are available in original.txt.</description><source format="bibcode">1984BICDS..26...99S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/V/42</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/V/118">V/118 : Catalog of eclipsing binaries parameters (Perevozkina+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/V/115">V/115 : Semidetached and semidetouched eclipsing binaries (Surkova+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/V/121">V/121 : Catalog of DMS-type eclipsing binaries (Svechnikov+, 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=V/42</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=V/42</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=V/42</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=V/42</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=V/42</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=V/42</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"/></coverage><tableset><schema><name>default</name><table><name>V/42/table1</name><description>Summary of close binaries</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>Name</name><description>Designation of the Eclipsing Binary</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="19*">char</dataType></column><column><name>HD</name><description>Designation in Henry Draper Catalogue</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>Type</name><description>Eclipsing binary type</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="7*">char</dataType></column><column><name>Group</name><description>of classification (see original.doc)</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="9*">char</dataType></column><column><name>Seq</name><description>[1/246] Number of the system used in table2 and table3</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Note</name><description>e.g. other possible class (see original.doc)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="4*">char</dataType></column></table><table><name>V/42/table2</name><description>Photometric elements</description><column><name>n_J1/J2</name><description>[*:) ] Notes on J1/J2 (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>n_L2</name><description>[*:) ] Notes on L2 (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><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>Seq</name><description>[1/246]+= Number of the system</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>primary</flag></column><column><name>Name</name><description>Designation of the System</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="12*">char</dataType></column><column><name>Period</name><description>[0.2/40]? Period</description><unit>d</unit><ucd>time.period</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>n_Period</name><description>[*?] '*' indicates a variability of Period</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>Type</name><description>of eclipse (see original.doc)</description><ucd>meta.number;time.period</ucd><dataType xsi:type="vs:VOTableType" arraysize="6*">char</dataType></column><column><name>R1</name><description>]0/1[? Mean fractional radius (2)</description><ucd>phys.size.radius;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_R1</name><description>[*:) ] Notes on R1 (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>R2</name><description>]0/1[? Mean fractional radius (2)</description><ucd>phys.size.radius;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_R2</name><description>[*:) ] Notes on R2 (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>b/a</name><description>[0/1]? Ratio of minor to major axis</description><ucd>phys.size;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_b/a</name><description>[*:) ] Notes on B/A (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>i</name><description>]0/90]? Orbital inclination angle</description><unit>deg</unit><ucd>src.orbital.inclination</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_i</name><description>[*:) ] Notes on i (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>LimbCoef</name><description>[0/1]? Used limb-darkening coefficient (3)</description><ucd>phot.limbDark</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_LimbCoef</name><description>[*:) ] Notes on LimbCoef (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>L1</name><description>[0/1]? Fractional light (relative to L1+L2)</description><ucd>stat.fit.param</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_L1</name><description>[*:) ] Notes on L1 (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>L2</name><description>[0/1]? Fractional light (relative to L1+L2)</description><ucd>stat.fit.param</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>J1/J2</name><description>]0/]? Ratio of surface brightness (4)</description><ucd>phot.flux.sb;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Passband</name><description>Wavelength domain</description><unit>0.1nm</unit><ucd>instr.bandpass</ucd><dataType xsi:type="vs:VOTableType" arraysize="6*">char</dataType></column><column><name>l_Weight</name><description>Limit flag (&lt;) on Weight</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Weight</name><description>[0/9]? on the reliability of photometric elements (See Svechnikov, ref 142)</description><ucd>stat.weight</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Com</name><description>Comments (5)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="3*">char</dataType></column></table><table><name>V/42/table3</name><description>Absolute elements</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>Seq</name><description>[1/246]+= Number of the system</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>primary</flag></column><column><name>Sp</name><description>Spectral classes</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="18*">char</dataType></column><column><name>q</name><description>]0/1]? Mass ratio M2/M1 (2)</description><ucd>phys.mass;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_q</name><description>[*:) ] Note on q (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>M1</name><description>[0.1/60]? Mass of first component</description><unit>solMass</unit><ucd>phys.mass</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>q_M1</name><description>Uncertainty flag (:) on M1</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>M2</name><description>[0.1/60]? Mass of second component</description><unit>solMass</unit><ucd>phys.mass</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>q_M2</name><description>Uncertainty flag (:) on M2</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>a</name><description>[]? Orbital semi-major axis</description><unit>solRad</unit><ucd>phys.size.smajAxis;src.orbital</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Rad1</name><description>[]? 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Absolute Bolometric magnitude of component 1 (3)</description><unit>mag</unit><ucd>phys.magAbs.bol</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_Mbol1</name><description>[!)] Note on Mbol1 (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Mbol2</name><description>[]? Absolute Bolometric magnitude of component 2 (3)</description><unit>mag</unit><ucd>phys.magAbs.bol</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_Mbol2</name><description>[!:*) ] Note on Mbol2 (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>l_W2</name><description>Lower limit (&lt;) on W2</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>W2</name><description>[]? Weight on the accuracy of determination of the absolute elements. (4)</description><ucd>stat.weight</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Comment</name><description>Comments (5)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="6*">char</dataType></column></table></schema></tableset></ri:Resource>