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<ri:Resource created="1997-12-09T16:27:27Z" 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>Michigan Catalogue of HD stars, Vol.4</title><shortName>III/133</shortName><identifier>ivo://CDS.VizieR/III/133</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Houk N.</name></creator><creator><name>Smith-Moore M.</name></creator><date role="Updated">2017-11-06T12:23:53Z</date><date role="Created">1997-12-09T16:27:27Z</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>morgan-keenan-classification</subject><description>Please refer to the "adc.txt" file by Wayne H. Warren Jr.</description><source>Ann Arbor, Dept. of Astronomy, Univ. of Michigan (1988)</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/III/133</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/III/31">III/31 : Michigan Catalogue, Vol.1 (-90/-53deg, Houk N., 1975)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/III/51">III/51 : Michigan Catalogue, Vol.2 (-53/-40deg, Houk N., 1978)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/III/80">III/80 : Michigan Catalogue, Vol.3 (-40/-26deg, Houk N., 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