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<ri:Resource created="1998-06-27T13:38:55Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" 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/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>Delta-a photometry of southern B &amp; A bright stars</title><shortName>J/A+AS/130/455</shortName><identifier>ivo://CDS.VizieR/J/A+AS/130/455</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Vogt N.</name></creator><creator><name>Kerschbaum F.</name></creator><creator><name>Maitzen H.M.</name></creator><creator><name>Faundez-Abans M.</name></creator><date role="Updated">1998-06-27T13:40:50Z</date><date role="Created">1998-06-27T13:38:55Z</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>peculiar-variable-stars</subject><subject>photometry</subject><description>Table 2 lists the HR and HD numbers, the run in which the observations were obtained (sometimes several observations per run and/or on several runs, a, Delta a absolute and expressed in units of the average standard deviation of normal stars from the normality line, b-y and its dereddened quantity (b-y)_0, m_1, the spectral types from the BS Catalogue and the Michigan spectral survey (where available), then a column which indicates whether the object was used for the construction of the normality line (N) or entered the group of double stars (D), and finally the peculiarity group to which the star belongs (Preston's CP1-4, {lambda} Boo, {delta} Del, emission line objects E, supergiants SG and a Barium star Ba). For a description of the {DELTA}a photometric system, see e.g. &lt;GCPD/75&gt;</description><source format="bibcode">1998A&amp;AS..130..455V</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+AS/130/455</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship></content><rights>https://cds.unistra.fr/vizier-org/licences_vizier.html</rights><capability><interface xsi:type="vr:WebBrowser"><accessURL use="full">https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+AS/130/455</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+AS/130/455</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+AS/130/455</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+AS/130/455</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+AS/130/455</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+AS/130/455</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface></capability><capability standardID="ivo://ivoa.net/std/TAP#aux"><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://tapvizier.cds.unistra.fr/TAPVizieR/tap</accessURL></interface></capability><coverage><footprint ivo-id="ivo://ivoa.net/std/moc"/><waveband>Optical</waveband></coverage><tableset><schema><name>default</name><table><name>J/A+AS/130/455/table2</name><description>Observational data</description><column><name>m1</name><description>m1 colour index</description><unit>mag</unit><ucd>phot.color</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><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>HR</name><description>HR (Cat. &lt;V/50&gt;) number</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>HD</name><description>HD (Cat. &lt;III/135&gt;) number</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>amag</name><description>a magnitude</description><unit>mag</unit><ucd>phot.mag</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Da</name><description>Deviation from the normality line</description><unit>mag</unit><ucd>stat.fit.param</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_Da</name><description>[-4.1/8.7] {sigma} (4.74 mmag) deviation from the normality line</description><unit>mag</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>b-y</name><description>b-y colour index</description><unit>mag</unit><ucd>phot.color;em.opt.B;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>(b-y)0</name><description>Dereddenned b-y colour index</description><unit>mag</unit><ucd>phot.color;em.opt.B;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>SpTypeBS</name><description>Bright Star (Cat. &lt;V/50&gt;) spectral type</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="13*">char</dataType></column><column><name>SpTypeM</name><description>Michigan Catalogues spectral type (1)</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="15*">char</dataType></column><column><name>Status</name><description>[ND] Note on the construction (2)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Class</name><description>Classification (3)</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="11*">char</dataType></column></table></schema></tableset></ri:Resource>