Standing Shocks around Black Holes: An Analytical Study

Details Standing Shocks around Black Holes: An Analytical Study Standing Shocks around Black Holes: An Analytical Study

2001-07-03

arxiv.org/abs/astro-ph/0107046v1

Astronomy and Astrophysics

Astrophysics

Astrophysical Journal (In press, August 20th, 2001 issue)

Scientific paper

10.1086/321692

We compute locations of sonic points and standing shock waves in a thin, axisymmetric, adiabatic flow around a Schwarzschild black hole. We use completely analytical method to achieve our goal. Our results are compared with those obtained numerically and a good agreement is seen. Our results positively prove the existence of shocks in centrifugal pressure dominated flows. We indicate how our results could be used to obtain spectral properties and frequencies of shock oscillations which may be directly related to the quasi-periodic oscillations of hard X-rays.

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