Fermi View of the Swift/BAT Seyferts

Details Fermi View of the Swift/BAT Seyferts Fermi View of the Swift/BAT Seyferts

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21712502t&link_type=abstract

American Astronomical Society, AAS Meeting #217, #125.02; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of our detailed analysis of the first two years of Fermi data on the entire sample of Swift/BAT Seyfert galaxies. Of the 490 objects in the 58-month BAT catalog, three Seyferts have been identified to have Fermi/LAT counterparts. These objects have similar characteristics as flat-spectrum radio quasars, but are borderline radio quiet AGNs. The discovery of gamma-ray emission from Seyfert galaxies represents a new class of objects detectable by Fermi and has the potential to alter our understanding of the accretion process by the central engine. We will discuss the mechanisms for gamma-ray emission in Seyfert galaxies. Using upper limits derived from the Fermi non-detections, we will also examine the implications of these results for the GeV background. This work has been supported by the Fermi General Observers program.

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