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Variations of geometrical and physical characteristics of innermost regions of active galactic nuclei on time-scale of years

Published online by Cambridge University Press:  01 August 2006

Nikolai G. Bochkarev  and
Alla I. Shapovalova
Nikolai G. Bochkarev
Affiliation:
Sternberg Astronomical Institute of Lomonosov Moscow State University Universitetskij prosp., 13, Moscow, 119992, Russia email: boch@sai.msu.ru
Alla I. Shapovalova
Affiliation:
Special Astrophysical Observatory of Russian Academy of Science, Nizhnij Arkhys, Karachaevo-Cherkesia, 369167Russiaashap@sao.ru
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Abstract

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Several examples of observational evidence of possible variations of geometrical and physical characteristics of the Broad Line Regions (BLR) of AGN on the time-scale of years are listed. Cases of accretion disk size variations and variable input of jets in BLR formation are presented.

Keywords

Galaxies: active – galaxies: individual (NGC 4151, NGC 5548, 3C390.3, Mrk 79, PG 1211+143, Fairall 9) – jets – nuclei – emission lines – accretion disks
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S238: Black Holes from Stars to Galaxies – Across the Range of Masses , August 2006 , pp. 327 - 328
Copyright
Copyright © International Astronomical Union 2007

References

Arshakian, T. G., Lobanov, A. P., Chavushyan, V. H. et al. 2005, astro-ph/0512393Google Scholar
Lyuty, V. M. 2005, Astron. Lett. 31, 645 (PAZ, 31, 723)CrossRefGoogle Scholar
Lyuty, V. M., Taranova, O. G. & Shenavrin, V.I. 1998, Astron. Lett. 24, 199 (PAZ, 24, 243)Google Scholar
Nazarova, L. S. & Bochkarev, N. G. 2006, Proc. The Central Engine of Active Galactic Nuclei (Xi'an, China), in preparationGoogle Scholar
Oknyanskii, V. L., Lyuty, V. M., Taranova, O. G. & Shenavrin, V. I. 1999, Astron. Lett. 24, 483 (PAZ, 25, 563)Google Scholar
Peterson, B. M., Berlind, P., Bertram, R. et al. 2002, ApJ, 581, 197CrossRefGoogle Scholar
Peterson, B. M., Ferrarese, L., Gilbert, K. M., et al. 2004, ApJ, 613, 682CrossRefGoogle Scholar
Sergeev, S. G., Pronik, V. I., Peterson, B. M., et al. 2002, ApJ, 576, 660CrossRefGoogle Scholar
Shapovalova, A. I., Burenkov, A. N., Carrasco, L., et al. 2001, A&A, 376, 775Google Scholar