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Poster communications

Modeling the X-ray fractional variability spectrum of Active Galactic Nuclei using multiple flares

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.
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http://hal.in2p3.fr/in2p3-00123938
Contributor : Dominique Girod <>
Submitted on : Thursday, January 11, 2007 - 3:34:05 PM
Last modification on : Wednesday, October 21, 2020 - 4:32:14 PM

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R. W. Goosmann, M. Dovciak, V. Karas, B. Czerny, M. Mouchet, et al.. Modeling the X-ray fractional variability spectrum of Active Galactic Nuclei using multiple flares. AGN meeting - The Central Engine of Active Galactic Nuclei, Oct 2006, Xi'an, China. Astronomical Society of the Pacific, 373, pp.167, 2006, Conference Series. ⟨in2p3-00123938⟩

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