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<ri:Resource created="2011-01-07T13:46:14Z" 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>2MASS/SDSS data for 806 ultracool dwarfs</title><shortName>J/MNRAS/404/1817</shortName><identifier>ivo://CDS.VizieR/J/MNRAS/404/1817</identifier><altIdentifier>doi:10.26093/cds/vizier.74041817</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Zhang Z.H.</name></creator><creator><name>Pinfield D.J.</name></creator><creator><name>Day-Jones A.C.</name></creator><creator><name>Burningham B.</name></creator><creator><name>Jones H.R.A.,Yu S.</name></creator><creator><name>Jenkins J.S.</name></creator><creator><name>Han Z.</name></creator><creator><name>Galvez-Ortiz M.C.</name></creator><creator><name>Gallardo J.,Garcia-Perez A.E.</name></creator><creator><name>Weights D.</name></creator><creator><name>Tinney C.G.</name></creator><creator><name>Pokorny R.S.</name></creator><date role="Updated">2024-07-11T20:16:33Z</date><date role="Created">2011-01-07T13:46:14Z</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>dwarf-stars</subject><subject>visible-astronomy</subject><subject>sloan-photometry</subject><description>We identify 806 ultracool dwarfs (of which 34 are newly discovered L dwarfs) from their Sloan Digital Sky Survey (SDSS) riz photometry and obtain proper motions through cross-matching with the United Kingdom Infrared Telescope Infrared Deep Sky Survey (UKIDSS) and Two-Micron All-Sky Survey (2MASS). Proper-motion and distance constraints show that nine of our ultracool dwarfs are members of widely separated binary systems.</description><source format="bibcode">2010MNRAS.404.1817Z</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/404/1817</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/II/246">II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/II/294">II/294 : The SDSS Photometric Catalog, Release 7 (Adelman-McCarthy+, 2009)</relatedResource><relatedResource>http://surveys.roe.ac.uk/wsa/ : UKIRT Infrared Deep Sky Survey home page</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/MNRAS/404/1817</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/404/1817</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/404/1817</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/404/1817</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/404/1817</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South 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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>SDSS</name><description>SDSS Name, JHHMMSS.ss+DDMMSS.s</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="19*">char</dataType></column><column><name>imag</name><description>SDSS i magnitude</description><unit>mag</unit><ucd>phot.mag;em.opt.I</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_imag</name><description>rms uncertainty on imag</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.I</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>zmag</name><description>SDSS z magnitude</description><unit>mag</unit><ucd>phot.mag;em.opt.I</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_zmag</name><description>rms uncertainty on zmag</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.I</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Jmag2</name><description>2MASS J magnitude</description><unit>mag</unit><ucd>phot.mag;em.IR.J</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_Jmag2</name><description>? rms uncertainty on Jmag2</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.J</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Hmag2</name><description>2MASS H magnitude</description><unit>mag</unit><ucd>phot.mag;em.IR.H</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_Hmag2</name><description>? rms uncertainty on Hmag2</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.H</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Kmag2</name><description>2MASS Ks magnitude</description><unit>mag</unit><ucd>phot.mag;em.IR.K</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_Kmag2</name><description>? rms uncertainty on Ksmag2</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.K</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Ymag</name><description>? UKIDSS Y magnitude</description><unit>mag</unit><ucd>phot.mag;em.opt.I</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_Ymag</name><description>? rms uncertainty on Ymag</description><unit>mag</unit><ucd>stat.error;phot.mag;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Jmag</name><description>? UKIDSS J 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>? rms uncertainty on Jmag</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.J</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Hmag</name><description>? UKIDSS H 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>? rms uncertainty on Hmag</description><unit>mag</unit><ucd>stat.error;phot.mag;em.IR.H</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Kmag</name><description>? 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