X-ray Variability of AGN and the Flare Model

Details X-ray Variability of AGN and the Flare Model X-ray Variability of AGN and the Flare Model

2004-10-04

arxiv.org/abs/astro-ph/0410079v3

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, accepted proceedings for a talk at the conference "AGN variability from the X-rays to the radio", June 200

Scientific paper

Short-term variability of X-ray continuum spectra has been reported for several Active Galactic Nuclei. Significant X-ray flux variations are observed within time scales down to 10^3-10^5 seconds. We discuss short variability time scales in the frame of the X-ray flare model, which assumes the release of a large hard X-ray flux above a small portion of the accretion disk. The resulting observed X-ray spectrum is composed of the primary radiation and of a reprocessed Compton reflection component that we model with numerical radiative transfer simulations. The incident hard X-rays of the flare will heat up the atmosphere of the accretion disk and hence induce thermal expansion. Eventually, the flare source will be surrounded by an optically thick medium, which should modify the observed spectra.

Affiliated with

Also associated with

No associations

Rating

X-ray Variability of AGN and the Flare Model does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with X-ray Variability of AGN and the Flare Model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and X-ray Variability of AGN and the Flare Model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-132735