EAS Publications Series
Volume 1, 2001AGN in their cosmic environment
|Page(s)||35 - 51|
|Section||Section II: Physics of Accretion and Jets|
|Published online||22 November 2011|
B. Rocca-Volmerange, and H. Sol (eds)
EAS Publications Series, 1 (2001) 35–51
Accretion and Emission Processes in AGN: The UV-X Connection
The main characteristics of the average spectrum of radio quiet AGN in the UV and X-ray range are reviewed, and the emission mechanisms are discussed in the framework of accretion disk models, in particular the "irradiated cold relativistic disk". It is shown that some problems arise in confronting the predictions of the model to the observations. We propose an alternative model in terms of a hot disk surrounded by a cold Compton thick medium. Finally we mention problems with remote regions of the accretion disk.
© EAS, EDP Sciences 2002
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