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<ri:Resource created="1998-02-25T18:30:31Z" 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>uvby-beta photometry of metal-poor stars</title><shortName>J/A+AS/97/951</shortName><identifier>ivo://CDS.VizieR/J/A+AS/97/951</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Schuster W.J.</name></creator><creator><name>Parrao L.</name></creator><creator><name>Contreras Martinez M.E.</name></creator><date role="Updated">1998-02-25T17:31:08Z</date><date role="Created">1998-02-25T18:30:31Z</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>chemically-peculiar-stars</subject><subject>visible-astronomy</subject><subject>medium-band-photometry</subject><description>A second catalogue of uvby-beta photometry for 553 high-velocity stars is given; nearly all of these stars come from the Lowell Proper Motion Survey. These data have been taken and reduced using the same photometer, same observing techniques, same standard stars and photometric values, and same reduction programs as the "northern" observations of the first catalogue (Paper I). The errors of these data are very similar to those of the previous catalogue; for most stars the mean errors of V, m1, c1 and beta are less than +/- 0.008 mag., and less than +/- 0.005 mag. for b-y.</description><source format="bibcode">1993A&amp;AS...97..951S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+AS/97/951</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>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/II/180">II/180 : Metal-poor stars uvby-beta photometry. III. (Schuster+ 1989)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/117/317">J/A+AS/117/317 : Metal-poor stars uvby-beta photometry. VIII. (Schuster+ 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/422/527">J/A+A/422/527 : Metal-poor stars uvby-beta photometry. X. (Schuster+ 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/445/939">J/A+A/445/939 : Metal-poor stars uvby-beta photometry. XI. 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Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Name</name><description>Designation of the star: G from Giclas, Lowell Proper Motion stars; LTT from Luyten; B from Beers et al., 1985, AJ 90, 2089</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="12*">char</dataType></column><column><name>Vmag</name><description>on the standard Johnson UBV system</description><unit>mag</unit><ucd>phot.mag;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>b-y</name><description>Colour index in Stroemgren</description><unit>mag</unit><ucd>phot.color;em.opt.B;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>m1</name><description>? Colour = (v-b) - (b-y)</description><unit>mag</unit><ucd>phot.color</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>c1</name><description>? 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