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<ri:Resource created="2009-06-04T05:53:09Z" 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>New ultra-cool dwarfs from SDSS and 2MASS</title><shortName>J/A+A/497/619</shortName><identifier>ivo://CDS.VizieR/J/A+A/497/619</identifier><altIdentifier>doi:10.26093/cds/vizier.34970619</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Zhang Z.H.</name></creator><creator><name>Pokorny R.S.</name></creator><creator><name>Jones H.R.A.</name></creator><creator><name>Pinfield D.J.</name></creator><creator><name>Chen P.S.</name></creator><creator><name>Han Z.,Chen D.</name></creator><creator><name>Galvez-Ortiz M.C.</name></creator><creator><name>Burningham B.</name></creator><date role="Updated">2009-06-04T06:00:44Z</date><date role="Created">2009-06-04T05:53:09Z</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>infrared-sources</subject><subject>late-type-stars</subject><subject>visible-astronomy</subject><subject>sloan-photometry</subject><subject>infrared-photometry</subject><description>We try to identify ultra-cool dwarfs from the seventh Data Release of the Sloan Digital Sky Survey (SDSS DR7) with SDSS i-z and r-z colors. 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