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<ri:Resource created="1999-04-07T17:28:39Z" 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>Identification and coordinates in M 53</title><shortName>J/PAZh/23/454</shortName><identifier>ivo://CDS.VizieR/J/PAZh/23/454</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Evstigneeva N.M.</name></creator><creator><name>Samus N.N.</name></creator><creator><name>Alcaino G.</name></creator><date role="Updated">1999-04-12T17:28:39Z</date><date role="Created">1999-04-07T17:28:39Z</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>globular-star-clusters</subject><subject>variable-stars</subject><subject>astrometry</subject><description>Equatorial coordinates have been determined for 61 variables in the northern globular cluster M 53 and for 12 variables in the southern globular cluster NGC 2808 with accuracy sufficient for reliable identifications. 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