Studying the Soft X-ray Excess With GALEX

Details Studying the Soft X-ray Excess With GALEX Studying the Soft X-ray Excess With GALEX

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1201...72a&link_type=abstract

THE MONSTER'S FIERY BREATH: FEEDBACK IN GALAXIES, GROUPS, AND CLUSTERS. AIP Conference Proceedings, Volume 1201, pp. 72-75 (200

Computer Science

Clusters Of Galaxies, X-Rays, Galactic Nuclei, Accretion Disks, Photometry, Galaxy Clusters, X-Ray, Galactic Nuclei, Circumnuclear Matter, And Bulges, Infall, Accretion, And Accretion Disks, Photometric, Polarimetric, And Spectroscopic Instrumentation

Scientific paper

We examine a sample of 54 X-ray selected Seyfert 1 AGNs with detections by the Galaxy Evolution Explorer in both the Near-UV and Far-UV bands. We examine the UV colors of our AGNs and find that they are independent of black hole mass. The shape of the X-ray continuum is correlated with the strength of the Big Blue Bump (BBB), in agreement with previous work, but the relations of Broad- and Narrow-Line Seyfert 1 galaxies differ systematically. We are unable to distinguish between Comptonization of BBB photons and absorption in relativistic winds as the most likely origin of the soft X-ray excess.

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