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<ri:Resource created="2009-10-01T13:00:41Z" 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>Revised and updated First Byurakan Survey (FBS)</title><shortName>III/258</shortName><identifier>ivo://CDS.VizieR/III/258</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Mickaelian A.M.</name></creator><date role="Updated">2017-12-15T10:56:01Z</date><date role="Created">2009-10-01T13:00:41Z</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>galaxies</subject><subject>ultraviolet-sources</subject><subject>white-dwarf-stars</subject><description>Eleven lists of blue stellar objects (BSOs) were published in Astrophysics in 1990-1996, found in the First Byurakan Survey (FBS) low-dispersion spectroscopic plates. The selection was carried out in the region with +33&lt;Dec&lt;+45 and Dec&gt;+61 with a surface of 4000deg^2^. As a result, the catalogue of the FBS blue stellar objects (BSOs) was compiled. Its preliminary version has been available at CDS since 1999. We revised and updated the FBS BSOs catalogue with the new data from recently published optical and multiwavelength catalogues to give access to all available data and make further comparative studies of the properties of these objects possible. We made cross-correlations of the FBS BSOs catalogue with the MAPS , USNO-B1.0, SDSS, and 2MASS, as well as ROSAT, IRAS, NVSS, and FIRST catalogs , added updated SIMBAD and NED data for the objects, and provided accurate DSS1 and DSS2 positions and revised photometry. We also checked the objects for proper motion and variability. A refined classification for the low-dispersion spectra in the Digitized First Byurakan Survey (DFBS) was carried out. The revised and updated catalogue of 1103 FBS blue stellar objects is presented. The FBS blue stellar objects catalogue can be used to study a complete sample of white dwarfs, hot subdwarfs, HBB stars, cataclysmic variables, bright AGN, and to investigate individual interesting objects. This catalog supersedes the previous edition by Abrahamian et al. (Cat. II/223)</description><source format="bibcode">2008AJ....136..946M</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/III/258</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/VII/172">VII/172 : First Byurakan Survey (FBS) (Markarian+, 1989)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/VII/251">VII/251 : SBS/Zwicky cluster relation (Gyulzadian+, 2008)</relatedResource></relationship></content><rights>https://cds.unistra.fr/vizier-org/licences_vizier.html</rights><capability><interface xsi:type="vr:WebBrowser"><accessURL 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28618 28620 28622 28637 28638 28646 28663 28666 32639 32711 32719 32724 32729 32731 32733 32736 32746 32749 32754 32758 32762 32764</spatial><spectral>9.459244390355668e-25 1.7003137259100215e-19</spectral><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/III/258?format=ascii</footprint><waveband>UV</waveband></coverage><tableset><schema><name>default</name><table><name>III/258/fbs</name><description>A catalog of FBS blue stellar objects (table1)</description><column><name>NVSS</name><description>Display the radio data</description><ucd>meta.ref.url</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</dataType></column><column><name>X</name><description>Display the X-ray data</description><ucd>meta.ref.url</ucd><dataType xsi:type="vs:VOTableType" arraysize="*">char</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>Seq</name><description>[1,1103]+ FBS blue stellar objects sequential number (FBS B NNNN)</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>primary</flag><flag>indexed</flag></column><column><name>FBS</name><description>FBS blue stellar objects name based on B1950 position (HHMM+DDd)</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="9*">char</dataType></column><column><name>Pap</name><description>Original paper number (FBS lists) (1)</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Zone</name><description>Central declination of the FBS zone</description><ucd>obs.field</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Com</name><description>Comments on object names</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="15*">char</dataType></column><column><name>RAJ2000</name><description>DSS1 J2000 right ascension</description><ucd>pos.eq.ra;meta.main</ucd></column><column><name>DEJ2000</name><description>DSS1 J2000 declination</description><ucd>pos.eq.dec;meta.main</ucd></column><column><name>RA2</name><description>DSS2 red J2000 right ascension</description><ucd>pos.eq.ra</ucd></column><column><name>DE2</name><description>DSS2 red J2000 declination</description><ucd>pos.eq.dec</ucd></column><column><name>pmRA</name><description>? Proper motion in RA</description><unit>mas/yr</unit><ucd>pos.pm;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>pmDE</name><description>? Proper motion in DEC</description><unit>mas/yr</unit><ucd>pos.pm;pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>pm</name><description>? Total proper motion value</description><unit>mas/yr</unit><ucd>pos.pm;stat.value</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>PA</name><description>? Total proper motion position angle</description><unit>deg</unit><ucd>pos.pm;pos.posAng</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>GLON</name><description>Galactic longitude l</description><unit>deg</unit><ucd>pos.galactic.lon</ucd></column><column><name>GLAT</name><description>Galactic latitude b</description><unit>deg</unit><ucd>pos.galactic.lat</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>typ</name><description>[s/g] Star/galaxy DSS1+2 image extension type</description><ucd>src.class.starGalaxy</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Sp1</name><description>FBS low-dispersion spectral type</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="4*">char</dataType></column><column><name>Rem</name><description>Comments on DSS1/DSS2 images pecularities</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>Bmag1</name><description>FBS blue magnitude (B) as given in FBS lists</description><unit>mag</unit><ucd>phot.mag;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Omag</name><description>? 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