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Can the Sonic Radius in ADAF Be Large?

Published online by Cambridge University Press:  25 May 2016

F. Yuan ,
K.L. Huang  and
Ju-fu Lu
F. Yuan
Affiliation:
Astronomy Department, Nanjing University, Nanjing 210093, P.R.China
K.L. Huang
Affiliation:
Physics Department, Nanjing Normal University, Nanjing 210097, P.R.China
Ju-fu Lu
Affiliation:
Center for Astrophysics, University of Science and Technology of China, Hefei 230026, P.R.China

Abstract

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We obtain the global transonic solutions by solving numerically a set of equations describing advection dominated accretion flows around black holes. We find that the sonic points can locate themselves at almost any radius, independent of the viscosity parameter α and the polytropic index γ.

Type
III. AGN Theory and Models
Information
Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 332 - 333
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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