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<ri:Resource created="2010-05-10T09:49:33Z" 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>Post common envelope binaries from SDSS. VIII</title><shortName>J/A+A/513/L7</shortName><identifier>ivo://CDS.VizieR/J/A+A/513/L7</identifier><altIdentifier>doi:10.26093/cds/vizier.35139007</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Schreiber M.R.</name></creator><creator><name>Gaensicke B.T.</name></creator><creator><name>Rebassa-Mansergas A.</name></creator><creator><name>Nebot Gomez-Moran A.,Southworth J.</name></creator><creator><name>Schwope A.D.</name></creator><creator><name>Mueller M.</name></creator><creator><name>Papadaki C.</name></creator><creator><name>Pyrzas S.</name></creator><creator><name>Rabitz A.,Rodriguez-Gil P.</name></creator><creator><name>Schmidtobreick L.</name></creator><creator><name>Schwarz R.</name></creator><creator><name>Tappert C.</name></creator><creator><name>Toloza O.,Vogel J.</name></creator><creator><name>Zorotovic M.</name></creator><date role="Updated">2018-02-01T11:50:43Z</date><date role="Created">2010-05-10T09:49:33Z</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>multiple-stars</subject><subject>white-dwarf-stars</subject><subject>dwarf-stars</subject><subject>radial-velocity</subject><subject>stellar-masses</subject><description>We present the results of a large survey of post common envelope binaries (PCEBs) among white dwarf/main sequence (WDMS) binaries from the SDSS that allows to determine the fraction of PCEBs as a function of secondary star mass and therewith to ultimately test the disrupted magnetic braking hypothesis. We obtained multiple spectroscopic observations spread over at least two nights of 589 WDMS binaries. Using mostly the NaI 8183.27,8194.81 absorption doublet we determined the corresponding radial velocities.</description><source format="bibcode">2010A&amp;A...513L...7S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/513/L7</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>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/382/1377">J/MNRAS/382/1377 : SDSS WD main-sequence binaries (Rebassa-Mansergas+, 2007)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/402/620">J/MNRAS/402/620 : SDSS WD main-sequence binaries (Rebassa-Mansergas+, 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Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Nsp</name><description>Number of spectra available for this system</description><ucd>meta.number</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Name</name><description>Name of the WDMS binary (HHMM+DDMM)</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="9*">char</dataType><flag>primary</flag></column><column><name>Type</name><description>Type of WDMS binary (1)</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="5*">char</dataType></column><column><name>Mwd</name><description>? Mass of the white dwarf (1)</description><unit>solMass</unit><ucd>phys.mass</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_Mwd</name><description>? 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