J/ApJ/648/111ivo://CDS.VizieR/J/ApJ/648/111doi:10.26093/cds/vizier.16480111CDSLevenson N.A.Heckman T.M.Krolik J.H.Weaver K.A.Zycki P.T.2017-11-29T11:48:19Z2008-10-05T16:51:55ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.fractive-galactic-nucleix-ray-sourcesWe analyze observations obtained with the Chandra X-Ray Observatory of bright Compton-thick active galactic nuclei (AGNs), those with column densities in excess of 1.5x10^24^cm^-2^ along the lines of sight. We therefore view the powerful central engines only indirectly, even at X-ray energies. Using high spatial resolution and considering only galaxies that do not contain circumnuclear starbursts, we reveal the variety of emission AGNs alone may produce.2006ApJ...648..111Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/648/111CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/chandra : The Chandra Archive Log (CXC, 1999-)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/648/111https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/648/111http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/648/111https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/648/111https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/648/111http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/648/111GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/648/111/table1 (Observations and galaxy data)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/648/111/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/648/111/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/648/111/table1?GETtext/xml+votable180.050000true109.1299167-29.32470.005555555555555556Cone search capability for table J/ApJ/648/111/table9 (Additional sources)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/648/111/table9?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/648/111/table9?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/648/111/table9?GETtext/xml+votable180.050000true109.1050833-29.34310830.0055555555555555566/10364 17754 19376 34534 38868 39836https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/648/111?format=asciiX-raydefaultJ/ApJ/648/111/table1Observations and galaxy datarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGalaxyGalaxy namemeta.id;meta.maincharprimaryObs.DateObservation Datetime.epoch;obsnullableObsID? ObsID in Chandra logarith.zpintnullableExpTime? Exposure timekstime.duration;obs.exposurefloatnullableNHHydrogen column densitycm**-2phys.columnDensitydoublezRedshiftsrc.redshiftfloatDistDistanceMpcpos.distance;pos.heliocentricfloatScaleScalepc/arcsecinstr.scaleintRAJ2000? Right ascension (J2000) (1)pos.eq.ra;meta.mainnullableDEJ2000? Declination (J2000) (1)pos.eq.dec;meta.mainnullableNEDSimbad column added by the CDScharSimbadSimbad column added by the CDScharJ/ApJ/648/111/table9Additional sourcesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGalaxyGalaxy namemeta.id;meta.maincharRAJ2000Source right ascension (J2000) (1)pos.eq.ra;meta.mainDEJ2000Source declination (J2000) (1)pos.eq.dec;meta.mainCRNet count rate0.0001count.s**-1phot.count;em.X-rayfloate_CRrms uncertainty on CR0.0001count.s**-1stat.errorintDistDistance from Galaxy in arcsecarcsecpos.angDistanceintdrDistance from Galaxy in kpckpcpos.distancefloat