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<ri:Resource created="2002-10-05T16:35:40Z" 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>Cataclysmic variables in the 2MASS 2IDR</title><shortName>J/ApJ/565/511</shortName><identifier>ivo://CDS.VizieR/J/ApJ/565/511</identifier><altIdentifier>doi:10.26093/cds/vizier.15650511</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Hoard D.W.</name></creator><creator><name>Wachter S.</name></creator><creator><name>Clark L.L.</name></creator><creator><name>Bowers T.P.</name></creator><date role="Updated">2002-10-05T16:35:58Z</date><date role="Created">2002-10-05T16:35:40Z</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>variable-stars</subject><subject>novae</subject><subject>cataclysmic-variable-stars</subject><subject>infrared-photometry</subject><description>Cataclysmic variables (CVs) have "traditionally" been observed primarily at short wavelengths because accretion-generated luminosity, which peaks in the optical-ultraviolet, dominates the radiated energy of most systems. Hence, relatively little is known about their infrared (IR) properties. Investigating CVs in the IR will contribute to the understanding of key system components that are expected to radiate at these wavelengths, such as the cool outer disk, accretion stream, and secondary star. We have compiled the near-IR J, H, and Ks band photometry of all cataclysmic variables contained in the sky coverage of the Second Incremental Data Release of the 2 Micron All Sky Survey (2MASS). This data comprises 251 cataclysmic variables with reliably identified near-IR counterparts and S/N&gt;10 photometry in one or more of the three near-IR bands. In addition to tables containing the 2MASS data, we present a set of near-IR finding charts for selected systems.</description><source format="bibcode">2002ApJ...565..511H</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/565/511</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/B/2mass">B/2mass : The 2MASS database (IPAC/UMass, 2000)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/V/110">V/110 : Catalog of Cataclysmic Variables (Downes+ 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The 2MASS J band magnitude</description><unit>mag</unit><ucd>phot.mag;em.IR.J</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_Jmag</name><description>? The 1{sigma} uncertainty in Jmag</description><unit>mag</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>l_Hmag</name><description>Indicates 95% confidence upper limit on Hmag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Hmag</name><description>? The 2MASS H band magnitude</description><unit>mag</unit><ucd>phot.mag;em.IR.H</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_Hmag</name><description>? The 1{sigma} uncertainty in Hmag</description><unit>mag</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>l_Ksmag</name><description>Indicates 95% confidence upper limit on Ksmag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Ksmag</name><description>? The 2MASS K_s_ band magnitude</description><unit>mag</unit><ucd>phot.mag;em.IR.K</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_Ksmag</name><description>? The 1{sigma} uncertainty in Ksmag</description><unit>mag</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>n_Name</name><description>Short notes on Name (4)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="19*">char</dataType></column></table><table><name>J/ApJ/565/511/table2</name><description>Undetected CVs in the 2MASS 2nd Incremental Data Release</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>Cataclysmic variable name from Downes et al. 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