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Variable Sources in Active Galactic Nuclei

Published online by Cambridge University Press:  25 May 2016

V. A. Hagen-Thorn ,
S. G. Marchenko ,
V. A. Yakovleva  and
A. V. Hagen-Thorn
V. A. Hagen-Thorn
Affiliation:
St.-Petersburg State University, Bibliotechnaya PL 2, St.-Petersburg 198904, Russia, [email protected]
S. G. Marchenko
Affiliation:
St.-Petersburg State University, Bibliotechnaya PL 2, St.-Petersburg 198904, Russia, [email protected]
V. A. Yakovleva
Affiliation:
St.-Petersburg State University, Bibliotechnaya PL 2, St.-Petersburg 198904, Russia, [email protected]
A. V. Hagen-Thorn
Affiliation:
St.-Petersburg State University, Bibliotechnaya PL 2, St.-Petersburg 198904, Russia, [email protected]

Extract

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The problem of the activity of extragalactic objects is one of the main problems of current astrophysics. There are many manifestations of activity but the photometric and polarimetric variability in IR, optical, UV and X-ray regions is probably one of the most important. The sources responsible for the variability are placed in the nearest neighbourhood of a central engine. Clarifying the nature of these sources might give a tool to the solution of the problem of nuclear activity in general.

Type
IV. AGN Related Phenomena
Information
Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 384 - 388
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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