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<ri:Resource created="2006-09-14T19:49:37Z" 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>MK Classification of Bright Star Supplement</title><shortName>J/ApJS/155/175</shortName><identifier>ivo://CDS.VizieR/J/ApJS/155/175</identifier><altIdentifier>doi:10.26093/cds/vizier.21550175</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Abt H.A.</name></creator><date role="Updated">2017-12-21T15:26:24Z</date><date role="Created">2006-09-14T19:49:37Z</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>MK spectral types are given for about 584 stars in "A Supplement to the Bright Star Catalogue" (Hoffleit et al., 1983, Cat. V/36). The spectra were obtained at Kitt Peak in 1983 on Eastman IIaO emulsions, 15% with the Cassegrain spectrograph on the 2.1m telescope and the rest with a Cassegrain spectrograph on the 0.9m telescope. The spectral types are compared with Hipparcos parallaxes to check the reliability of those classifications. 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31790 31966 32018 32039 32081 32117 32127 32558 32561 32617 32648 32675 32762 36182 36213 36260 36316 36638 36650 40372 40439 40565 40596 40777 40922 40946 44461 44637 44711 44754 44765 44793 44807 44842 44872 44901 44941 44995 48857 48965</spatial><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/155/175?format=ascii</footprint><waveband>Optical</waveband></coverage><tableset><schema><name>default</name><table><name>J/ApJS/155/175/table1</name><description>Spectral Classification and Hipparcos Data</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>HD</name><description>The HD designation number</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>m_HD</name><description>Multiplicity indicator</description><ucd>meta.code.multip</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>SpType</name><description>MK Spectral classification</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="26*">char</dataType></column><column><name>Vmag</name><description>? Apparent V band magnitude</description><unit>mag</unit><ucd>phot.mag;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>B-V</name><description>? 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Skiff (1)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="58*">char</dataType></column><column><name>HIP</name><description>Display the Hipparcos data</description><ucd>meta.ref.url</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column><column><name>Simbad</name><description>Simbad column added by the CDS</description><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column></table></schema></tableset></ri:Resource>