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<ri:Resource created="2005-12-16T22:52:25Z" 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>Stars of very low metal abundance</title><shortName>J/AJ/103/1987</shortName><identifier>ivo://CDS.VizieR/J/AJ/103/1987</identifier><altIdentifier>doi:10.26093/cds/vizier.51031987</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Beers T.C.</name></creator><creator><name>Preston G.W.</name></creator><creator><name>Shectman S.A.</name></creator><date role="Updated">2023-04-06T16:49:24Z</date><date role="Created">2005-12-16T22:52:25Z</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>line-intensities</subject><subject>radial-velocity</subject><description>Spectroscopic observations for 1044 stars located primarily in the southern Galactic hemisphere are reported; the stars were chosen from a list of candidate metal-deficient stars discovered in the HK objective-prism survey. Radial velocities and line indices based on the equivalent widths of Ca II, K, H-gamma and H-delta, and the CH G band are reported. Estimates of metallicity for 874 stars with derived abundances less than -0.5 are presented.</description><source format="bibcode">1992AJ....103.1987B</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/103/1987</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/J/AJ/87/1515">J/AJ/87/1515 : UBV photometry of AB stars in halo (Pier, 1982)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/53/791">J/ApJS/53/791 : Spectroscopy of AB stars in halo (Pier, 1983)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/90/2089">J/AJ/90/2089 : Stars of very low metal abundance. (Beers+, 1985)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/PASP/102/1392">J/PASP/102/1392 : UBV photometry from HK survey. (Doinidis+ 1990)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/PASP/103/973">J/PASP/103/973 : Photoelectric UBV from HK survey. (Doidinis+ 1991)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/76/1001">J/ApJS/76/1001 : UBV photometry of HK survey stars (Preston+, 1991)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/103/267">J/AJ/103/267 : Spectrocopy of hot stars in galactic halo (Beers+ 1992)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/108/268">J/AJ/108/268 : HK survey emission-line candidates positions (Beers+ 1994)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/108/538">J/AJ/108/538 : Metal-poor MS stars UBV photometry (Preston+ 1994)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/112/1188">J/AJ/112/1188 : HK survey emission-line candidates (Beers+ 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/117/2329">J/AJ/117/2329 : Spectroscopy of hot stars in the halo. (Wilhelm+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/123/639">J/ApJS/123/639 : UBV photometry of metal-weak candidates (Norris+, 1999)</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/AJ/103/1987</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/103/1987</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/103/1987</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/103/1987</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/103/1987</mirrorURL><mirrorURL 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abundances</description><column><name>GLAT</name><description>Galactic latitude</description><unit>deg</unit><ucd>pos.galactic.lat</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>BPS-CS</name><description>Star designation</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="9*">char</dataType></column><column><name>RA1950</name><description>Right Ascension 1950</description><ucd>pos.eq.ra;meta.main</ucd></column><column><name>DE1950</name><description>Declination 1950</description><ucd>pos.eq.dec;meta.main</ucd></column><column><name>GLON</name><description>Galactic longitude</description><unit>deg</unit><ucd>pos.galactic.lon</ucd></column><column><name>Vmag</name><description>? Johnson V 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>? Johnson B-V color</description><unit>mag</unit><ucd>phot.color;em.opt.B;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>U-B</name><description>? Johnson U-B color</description><unit>mag</unit><ucd>phot.color;em.opt.U;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>E(B-V)</name><description>B-V excess</description><unit>mag</unit><ucd>phot.color.excess</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>BV</name><description>? BV color estimate, obtained from calibration of Balmer Index HP</description><unit>mag</unit><ucd>phot.color;em.opt.B;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>RV</name><description>Radial velocity</description><unit>km/s</unit><ucd>phys.veloc;pos.heliocentric</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Det</name><description>Detector Identification: R = Reticon; F = 2D-Frutti; R/F = both</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="3*">char</dataType></column><column><name>KP</name><description>CaII K equivalent width index KP (Angstroms)</description><unit>0.1nm</unit><ucd>meta.code;spect.line.eqWidth;em.IR.K</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>HP</name><description>? Balmer line equivalent width index HP (1)</description><unit>0.1nm</unit><ucd>spect.line.eqWidth</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>GP</name><description>? G-band equivalent width index GP (Angstroms)</description><unit>0.1nm</unit><ucd>meta.code;spect.line.eqWidth;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Class</name><description>Classification of stellar type</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="3*">char</dataType></column><column><name>Mv</name><description>? Absolute magnitude estimate</description><unit>mag</unit><ucd>phys.magAbs</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Dist</name><description>? 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Interstellar CaII K estimate (as in Beers 1990AJ.....99..323B)</description><unit>0.1nm</unit><ucd>spect.index</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>[Fe/H]k</name><description>? estimate from Norris models</description><unit>Sun</unit><ucd>phys.abund.Fe</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>[Fe/H]c</name><description>? adopted estimate</description><unit>Sun</unit><ucd>phys.abund.Fe</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>D</name><description>[D] indicates duplicity, see the list in the "Duplicated stars" section below.</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Simbad</name><description>Simbad column added by the CDS</description><ucd>meta.ref</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column><column><name>_RA.icrs</name><description>Right ascension (ICRS) (computed by VizieR, not part of the original data)</description><ucd>pos.eq.ra</ucd><flag>nullable</flag><flag>indexed</flag></column><column><name>_DE.icrs</name><description>Declination (ICRS) (computed by VizieR, not part of the original data)</description><ucd>pos.eq.dec</ucd><flag>nullable</flag><flag>indexed</flag></column></table></schema></tableset></ri:Resource>