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<ri:Resource created="2018-03-12T14:59:43Z" 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>LAMOST-Kepler MKCLASS spectral classification</title><shortName>J/AJ/151/13</shortName><identifier>ivo://CDS.VizieR/J/AJ/151/13</identifier><altIdentifier>doi:10.26093/cds/vizier.51510013</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Gray R.O.</name></creator><creator><name>Corbally C.J.</name></creator><creator><name>De Cat P.</name></creator><creator><name>Fu J.N.</name></creator><creator><name>Ren A.B.</name></creator><creator><name>Shi J.R.</name></creator><creator><name>Luo A.L.,Zhang H.T.</name></creator><creator><name>Wu Y.</name></creator><creator><name>Cao Z.</name></creator><creator><name>Li G.</name></creator><creator><name>Zhang Y.</name></creator><creator><name>Hou Y.</name></creator><creator><name>Wang Y.</name></creator><date role="Updated">2018-05-16T07:00:37Z</date><date role="Created">2018-03-12T14:59:43Z</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>stellar-spectral-types</subject><subject>barium-stars</subject><subject>surveys</subject><description>The LAMOST-Kepler project was designed to obtain high-quality, low-resolution spectra of many of the stars in the Kepler field with the Large Sky Area Multi Object Fiber Spectroscopic Telescope (LAMOST) spectroscopic telescope. To date 101086 spectra of 80447 objects over the entire Kepler field have been acquired. Physical parameters, radial velocities, and rotational velocities of these stars will be reported in other papers. In this paper we present MK spectral classifications for these spectra determined with the automatic classification code MKCLASS. We discuss the quality and reliability of the spectral types and present histograms showing the frequency of the spectral types in the main table organized according to luminosity class. Finally, as examples of the use of this spectral database, we compute the proportion of A-type stars that are Am stars, and identify 32 new barium dwarf candidates.</description><source format="bibcode">2016AJ....151...13G</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/151/13</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/V/133">V/133 : Kepler Input Catalog (Kepler Mission Team, 2009)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/V/146">V/146 : LAMOST DR1 catalogs (Luo+, 2015)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/V/149">V/149 : LAMOST DR2 catalogs (Luo+, 2016)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/220/19">J/ApJS/220/19 : LAMOST obs. in the Kepler field. 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