2004 Risaliti AGN光学到X射线的谱

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Title:		A Panchromatic View of AGN
Authors:		Risaliti, G.; Elvis, M.
Publication:		Supermassive Black Holes in the Distant Universe. Edited by Amy J. Barger, Department of Astronomy, University of Wisconsin-Madison U.S.A.; and Department of Physics and Astronomy, University of Hawaii, Honolulu, U.S.A.; and Institute for Astronomy, University of Hawaii, Honolulu, U.S.A.. Astrophysics and Space Science Library Volume 308. ISBN 1-4020-2470-3 (HB), ISBN 1-4020-2471-1 (e-book). Published by Kluwer Academic Publishers, Dordrecht, The Netherlands, 2004, p.187
Publication Date:		08/2004
Origin:		ADS
Comment:		ISBN: 1-4020-2470-3
Bibliographic Code:		2004ASSL..308..187R

Abstract

We review the continuum emission of Active Galactic Nuclei (AGN) over the entire electromagnetic spectrum. After a brief historical introduction, we describe the main spectral properties of unobscured AGN, discussing the selection biases which prevent us from having a complete view of the AGN population in the universe, and trying to build an updated spectral energy distribution of optically selected quasars. In the second part of the review, we describe the spectral properties of obscured AGN. Finally, we discuss the main observational methods in the different wavelength bands for disentangling AGN and stellar emission, and the ability of these methods to find new (mainly obscured) AGN, a significant fraction of which are probably still missing in current surveys.

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