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<ri:Resource created="2001-12-30T11:55:26Z" 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>ROSAT-BSC galaxy identifications</title><shortName>J/A+A/378/30</shortName><identifier>ivo://CDS.VizieR/J/A+A/378/30</identifier><altIdentifier>doi:10.26093/cds/vizier.33780030</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Zimmermann H.-U.</name></creator><creator><name>Boller T.</name></creator><creator><name>Doebereiner S.</name></creator><creator><name>Pietsch W.</name></creator><date role="Updated">2018-01-10T11:48:30Z</date><date role="Created">2001-12-30T11:55:26Z</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>x-ray-sources</subject><subject>galaxies</subject><subject>visible-astronomy</subject><subject>astronomical-object-identification</subject><description>In a correlation study of the ROSAT All-Sky Survey Bright Source Catalogue (RASS-BSC, Cat. &lt;XI/10&gt;) with the Catalogue of Principal Galaxies (PGC, Cat. &lt;VII/119&gt;) 904 X-ray sources were found that possess possible extragalactic counterparts within a search radius of 100". File table1 contains 1124 optical galaxy entries and 904 relevant X-ray candidates/counterparts from the ROSAT All-Sky Survey. Besides a compilation of X-ray and optical parameters for each source, also the results of an identification screening are given. 547 optical/X-ray correlations have been quoted as reliable identifications. The 904 optical images with X-ray overlay contours (xID_nnn.ps.gz) used in the screening process are added for each user's own judgement.</description><source format="bibcode">2001A&amp;A...378...30Z</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/378/30</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/IX/10">IX/10 : ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/VII/119">VII/119 : Catalogue of Principal Galaxies (PGC) (Paturel+ 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44650 44698 44746 44785 44988 45220 45227 45446 45523 45543 45754 45757 45779 45823 45847 45852 45893 45951 45984 45993 46020 46237 46312 46331 46438 46441-46442 46484 46499 46526 46568 46602 46615 46643 46687 46709 46889 46911 46988 47027 47047 47093 47120 47154 47169 47207 47467 47509 47573 47597-47598 47921 48293 48323 48440 48489 48501 48712 48738 49042</spatial><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/378/30?format=ascii</footprint><waveband>X-ray</waveband><waveband>Optical</waveband></coverage><tableset><schema><name>default</name><table><name>J/A+A/378/30/table1</name><description>Galaxy list</description><column><name>Origin</name><description>Origin of parameters (2)</description><ucd>meta.ref</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>recno</name><description>Record number assigned by the VizieR team. 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B magnitude of optical candidate</description><unit>mag</unit><ucd>phot.mag;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_DEos</name><description>? Optical position uncertainty</description><unit>arcsec</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Type</name><description>Type of optical candidate</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="6*">char</dataType></column><column><name>Type1</name><description>Detailed type of optical candidate</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="15*">char</dataType></column><column><name>Activity</name><description>type of activity (optical)</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>Vrec</name><description>? Recession velocity</description><unit>km/s</unit><ucd>phys.veloc;pos.heliocentric</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>Class</name><description>Classification (3)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>NH</name><description>Galactic hydrogen column density</description><unit>1e+22cm**-2</unit><ucd>phys.columnDensity</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Dist</name><description>Distance between X-ray object and optical candidate</description><unit>arcsec</unit><ucd>pos.angDistance</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>logFX</name><description>log10 of X-ray flux in the 0.1-2.4keV X-ray band</description><unit>log(mW.m**-2)</unit><ucd>phot.flux;em.X-ray</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>logLX</name><description>? log10 of X-ray luminosity using H_0_=70km/Mpc/s</description><unit>log(1e-07W)</unit><ucd>phys.luminosity;em.X-ray</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>Corr</name><description>Reliability of correlating the X-ray and optical source</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="12*">char</dataType></column><column><name>Comment</name><description>Comments (4)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="31*">char</dataType></column></table></schema></tableset></ri:Resource>