Other
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.0813m&link_type=abstract
American Astronomical Society, HEAD meeting #12, #8.13
Other
Scientific paper
From available literature we are assembling high-quality, high-resolution broadband spectral energy distribution data of the nuclear region of nearby Seyfert-1 AGN. These SEDs span from radio through X-rays, and will be used to test whether the broadband SEDs can be explained within the framework of a relativistically outflowing jet model. In a recent work we have shown that once the contribution from the host galaxy is taken into account, the broadband emission from the active galactic nucleus of NGC 4051 can be well described by the jet model. In the framework of the jet model, the correlated high variability of the extreme ultraviolet and X-rays compared to other wavelengths suggests that the emission at these wavelengths is optically thin synchrotron originating in the particle acceleration site(s) in the jet very close (few rg) to the central supermassive black hole. Our conclusions support the hypothesis that narrow line Seyfert 1 galaxies (which NGC 4051 is a member of) harbor a "jetted" outflow with properties similar to what has already been seen in low-luminosity AGNs and stellar mass black holes in hard X-ray state. I will also discuss the recent progress in modeling broadband SEDs of some of the other nearby Seyfert-1 AGN.
King Ashley L.
Maitra Dipankar
Markoff Sera B.
Miller John Mcl.
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