Physics
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010vaoa.conf..134h&link_type=abstract
"Evolution of Cosmic Objects through their Physical Activity, Proceedings of the Conference dedicated to Viktor Ambartsumian's 1
Physics
Activity Of Galactic Nuclei, Unified Scheme, Jets
Scientific paper
We present Ambartsumian's impact on development of understanding of activity of galactic nuclei; from his early ideas to modern interpretation of the AGN unified scheme. It is shown that he was the first (in mid-1950s) to understand that central regions of galaxies contained huge sources of energy and played decisive role in origin and evolution of galaxies. This approach allowed predicting new types of active galaxies, e.g., QSOs discovered in 1963. We show that Ambartsumian's idea to unify all at that time available observed phenomena (radio galaxies, Seyferts, blue companions of galaxies, jets) supposed to be connected to the central regions of galaxies was in fact the beginning of the unified scheme of AGN (formally introduced much later in 1985), which at present reliably explains various manifestations of the same physical model. Moreover, the artificial contradiction between Ambartsumian's hypothesis about superdense matter in the centers of AGN and today's SMBH model is in fact the same approach with different further modifications, as the principal idea in both models is that super massive body in the centre of AGN is responsible for the huge amounts of the emitted energy. New understanding on various phenomena connected to the activity of galaxies is presented.
Harutyunian Haik A.
Mickaelian Areg M.
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