Possible origins of the diversity of types of Active Galactic Nuclei


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Resumo

The observed variety of types of Active Galactic Nuclei (AGN) in galaxies with various masses and morphologies is considered. It is proposed that this diversity is related to the evolutionary development of their host galaxies and central regions, including their bulges, massive black holes, and accretion disks. A possible evolutionary scenario explaining the relationship between various types of AGN is proposed, in which, in addition to differences in the accretion states of the circumnuclear disks, the type of host galaxy is also taken into consideration. Special attention is given to the qualitative similarity of the accretion and radiative processes occurring in active objects with stellar-mass black holes (microquasars) and in AGN, in spite of the huge differences in the masses of their black holes. Studies of variability of the emission of microquasars taking this similarity into account can be used to make predictions about the behavior of the emission of AGN (with scaling in accordance with the black-hole mass).

Sobre autores

B. Komberg

Astro Space Center, Lebedev Physical Institute

Autor responsável pela correspondência
Email: bkomberg@asc.rssi.ru
Rússia, ul. Profsoyuznaya 84/32, Moscow, 117997

S. Repin

Astro Space Center, Lebedev Physical Institute; Space Research Institute

Email: bkomberg@asc.rssi.ru
Rússia, ul. Profsoyuznaya 84/32, Moscow, 117997; ul. Profsoyuznay 84/32, Moscow, 117997

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Declaração de direitos autorais © Pleiades Publishing, Ltd., 2016