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<ri:Resource created="1998-09-10T16:22:02Z" status="active" updated="2025-06-13T15:25:00Z" 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>H II regions in M 101</title><shortName>J/ApJS/73/661</shortName><identifier>ivo://CDS.VizieR/J/ApJS/73/661</identifier><altIdentifier>doi:10.26093/cds/vizier.20730661</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Hodge P.</name></creator><creator><name>Gurwell M.</name></creator><creator><name>Goldader J.D.</name></creator><creator><name>Kennicutt R.C. Jr.</name></creator><date role="Updated">2018-01-05T08:56:25Z</date><date role="Created">1998-09-10T16:22:02Z</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>star-atlases</subject><subject>h-ii-regions</subject><description>A previous survey of the H II regions in M101 (Hodge and Kennicutt) has been extended by a series of CCD images and image tube plates of the galaxy, approximately tripling the number of known emission regions. 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