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<ri:Resource created="2006-04-26T07:39:16Z" 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>Soft X-Ray-Selected AGNs complete sample</title><shortName>J/AJ/127/156</shortName><identifier>ivo://CDS.VizieR/J/AJ/127/156</identifier><altIdentifier>doi:10.26093/cds/vizier.51270156</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Grupe D.</name></creator><creator><name>Wills B.J.</name></creator><creator><name>Leighly K.M.</name></creator><creator><name>Meusinger H.</name></creator><date role="Updated">2023-04-06T16:51:01Z</date><date role="Created">2006-04-26T07:39:16Z</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>active-galactic-nuclei</subject><subject>quasars</subject><subject>x-ray-sources</subject><description>We present the optical spectra and simple statistical analysis for a complete sample of 110 soft X-ray-selected AGNs. About half of the sources are narrow-line Seyfert 1 galaxies (NLS1's), which have the steepest X-ray spectra, the strongest Fe II emission, and slightly weaker [O III] {lambda}5007 emission than broad-line Seyfert 1's (BLS1's). Kolmogorov-Smirnov tests show that NLS1's and BLS1's have clearly different distributions of the X-ray spectral slope {alpha}_X_, X-ray short-term variability, and Fe II equivalent widths and luminosity and Fe II/H{beta} ratios.</description><source format="bibcode">2004AJ....127..156G</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/127/156</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/19">IX/19 : X-ray light-curves of bright AGNs from Ginga (Hayashida+ 1998)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/309/81">J/A+A/309/81 : X-ray properties of AGN (Wang+, 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/350/805">J/A+A/350/805 : X-ray selected ROSAT AGN spectra (Grupe+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/126/2209">J/AJ/126/2209 : X-ray AGN from RASS and SDSS (Anderson+, 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/434/54">J/ApJ/434/54 : Spectral properties of X-ray-selected AGNs (Thompson+ 1994)</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/127/156</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/127/156</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/127/156</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/127/156</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/127/156</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/127/156</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><capability xsi:type="cs:ConeSearch" standardID="ivo://ivoa.net/std/ConeSearch"><description>Cone search capability for table J/AJ/127/156/agn (Optical spectra, line measurements and Luminosities of the Soft X-Ray AGN Sample)</description><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/127/156/agn?</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/127/156/agn?</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/127/156/agn?</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface><maxSR>180.0</maxSR><maxRecords>50000</maxRecords><verbosity>true</verbosity><testQuery><ra>1.58125</ra><dec>20.203056</dec><sr>0.005555555555555556</sr></testQuery></capability><coverage><spatial>6/4473 5355 5359 5367 5437 5731 5746 6009 6028 7216 7246 7484 7512 7539 8299 8812 8922 8941 9018 9099 9194 9333 9452 9470 9750 9811 10162 10265 10269 10466 10761 10927 10950 11104 11378 11668 11779 11901 11924 12002 12380 16529 16533 16671 16853 17192 17408 19883 25585 25961 26148 26233 26292 26310 26509 27862 28060 28278 28356 28471 28508 28517 28527 28589 28605 28654 33662 33930 33950 33968 34034 34352 34370 34414 34430 34458 34531 34768 35018 35386 35445 35542 35704 35743 35836 35966 36256 36480 36775 36786 39041 40902 45531 46124 46143 46281 46299 46395 46522 46544 46568 46572 46578 46581 46662 46847 46851 46967 46988 47027</spatial><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/127/156?format=ascii</footprint><waveband>X-ray</waveband></coverage><tableset><schema><name>default</name><table><name>J/AJ/127/156/agn</name><description>Optical spectra, line measurements and Luminosities of the Soft X-Ray AGN Sample</description><column><name>Seq</name><description>Sequential number</description><ucd>meta.record</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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