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19 April 2024

» arxiv » astro-ph/0701164

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Modeling the X-ray fractional variability spectrum of Active Galactic Nuclei using multiple flares
R. W. Goosmann ; M. Dovciak ; V. Karas ; B. Czerny ; M. Mouchet ; G. Ponti ;
Date:	7 Jan 2007
Abstract:	Using Monte-Carlo simulations of X-ray flare distributions across the accretion disk of active galactic nuclei (AGN), we obtain modeling results for the energy-dependent fractional variability amplitude. Referring to previous results of this model, we illustrate the relation between the shape of the point-to-point fractional variability spectrum, F_pp, and the time-integrated spectral energy distribution, F_E. The results confirm that the spectral shape and variability of the iron Kalpha line are dominated by the flares closest to the disk center.
Source:	arXiv, astro-ph/0701164
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