Identification of X-ray sources around Seyferts (Arp 1997)

Details Identification of X-ray sources around Seyferts (Arp 1997) Identification of X-ray sources around Seyferts (Arp 1997)

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ycat..33190033a&link_type=abstract

VizieR On-line Data Catalog: J/A+A/319/33. Originally published in: 1997A&A...319...33A

Physics

Galaxies: Seyfert, X-Ray Sources

Scientific paper

Excess numbers of X-ray sources around bright Seyfert galaxies have been demonstrated with significances of association up to 7.4-sigma (Radecke, 1997A&A...319...18R). The optical identification of these sources is shown here to be predominantly blue stellar objects (BSO's) of which some are already catalogued as quasars. Excluding the two brightest Seyferts, a subset of 24 with apparent magnitudes between 8.04<=BTo,i<=12.90mag. show a minimum excess of >46 bright X-ray sources. These excess X-ray sources are generally distributed between 10'

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