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<ri:Resource created="2007-01-02T17:16:11Z" 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>Temporal variability of Cygnus X-1</title><shortName>J/A+A/452/975</shortName><identifier>ivo://CDS.VizieR/J/A+A/452/975</identifier><altIdentifier>doi:10.26093/cds/vizier.34520975</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Axelsson M.</name></creator><creator><name>Borgonovo L.</name></creator><creator><name>Larsson S.</name></creator><date role="Updated">2017-06-01T08:52:25Z</date><date role="Created">2007-01-02T17:16:11Z</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>accretion</subject><subject>x-ray-binary-stars</subject><subject>x-ray-sources</subject><description>We present results of fitting power density spectra from archived Rossi X-ray Timing Explorer (RXTE) data of the source Cygnus X-1. The data cover the observations of the source during 1996-2003, and all spectral states are included.</description><source format="bibcode">2006A&amp;A...452..975A</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/452/975</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>http://heasarc.gsfc.nasa.gov/FTP/xte/data/archive : XTE Archive</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/A+A/452/975</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/452/975</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/452/975</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/452/975</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/452/975</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/452/975</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><coverage><footprint ivo-id="ivo://ivoa.net/std/moc"/><waveband>X-ray</waveband></coverage><tableset><schema><name>default</name><table><name>J/A+A/452/975/table1</name><description>*Results of fitting two Lorentzians and cut-off power-law to power spectra of RXTE/PCA observations of Cyg X-1 from 1996-2003.</description><column><name>e_W1</name><description>Error of W1</description><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_alpha</name><description>Error of alpha</description><ucd>stat.error;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">double</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>ObsID</name><description>Proposal number and sub-ID</description><ucd>meta.id;obs</ucd><dataType xsi:type="vs:VOTableType" arraysize="15*">char</dataType></column><column><name>Tstart</name><description>Start time in MJD</description><unit>d</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Tstop</name><description>Stop time in MJD</description><unit>d</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Model</name><description>[1/5] Model components presence (1)</description><ucd>meta.id;stat.fit</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>F2-9keV</name><description>Average 2-9keV flux</description><unit>ct/s</unit><ucd>phot.flux;em.X-ray</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>HR</name><description>Average (9-20)keV/(2-4)keV flux ratio</description><ucd>phot.flux;arith.ratio;stat.mean</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>A</name><description>Normalization of power-law (2)</description><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_A</name><description>Error of A</description><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>alpha</name><description>Index of power-law (2)</description><ucd>spect.index</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>fc</name><description>Cut-off frequency for power-law (2)</description><unit>Hz</unit><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_fc</name><description>Error of fc</description><unit>Hz</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>W1</name><description>Width par of Lorentzian 1 (2)</description><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>H1</name><description>Height par of Lorentzian 1 (2)</description><unit>Hz</unit><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_H1</name><description>Error of H1</description><unit>Hz</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>freq1</name><description>Peak frequency of Lorentzian 1 (2)</description><unit>Hz</unit><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_freq1</name><description>Error of freq1</description><unit>Hz</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>W2</name><description>Width par of Lorentzian 2 (2)</description><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_W2</name><description>Error of W2</description><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>H2</name><description>Height par of Lorentzian 2 (2)</description><unit>Hz</unit><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_H2</name><description>Error of H2</description><unit>Hz</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>freq2</name><description>Peak frequency of Lorentzian 2 (2)</description><unit>Hz</unit><ucd>stat.param</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e_freq2</name><description>Error of freq2</description><unit>Hz</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column></table></schema></tableset></ri:Resource>