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1998•arXiv (Cornell University)Open access

Advection-dominated Accretion in the Galactic Center and the Appearance of Sgr A*

T. Beckert, W. J. Duschl

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Abstract

We present a modified description of advection-dominated accretion flows (ADAF) with a geometrical viscosity. A simplified treatment of the dynamics of the flow in the inner relativistic part is suggested and results are compared with the galactic center source Sgr A*.

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We present a modified description of advection-dominated accretion flows (ADAF) with a geometrical viscosity. A simplified treatment of the dynamics of the flow in the inner relativistic part is suggested and results are compared with the galactic center source Sgr A*.

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Available abstract

We present a modified description of advection-dominated accretion flows (ADAF) with a geometrical viscosity. A simplified treatment of the dynamics of the flow in the inner relativistic part is suggested and results are compared with the galactic center source Sgr A*.

Key concepts: Galactic Center, Advection, Accretion (finance), Physics, Astrophysics, Center (category theory), Accretion disc, Astronomy

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