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Paper: Revealing the General Relativity Effects in Accretion Events near a Supermassive Black Hole
Volume: 439, The Galactic Center: a Window to the Nuclear Environment of Disk Galaxies
Page: 344
Authors: Karas, V.; Dovčiak, M.; Zamaninasab, M.; Eckart, A.
Abstract: We discuss the general relativity effects acting on the radiation signal from the inner accretion flow. We consider the radiation flux and polarization properties originating from a blob of gas near a rotating black hole. The predicted observed polarization at infinity is changed from its local value due to strong gravity and fast orbital motion. Different processes can produce the observed pattern: in the context of Sgr A* flares, the synchrotron mechanism and the inverse Compton up-scattering appear to be the most likely mechanisms.
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