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arXiv:astro-ph/0403115 (astro-ph)
[Submitted on 4 Mar 2004 (v1), last revised 21 Apr 2004 (this version, v2)]

Title:Radiative Shocks in Rotating Accretion Flows around Black Holes

Authors:T. Okuda, V. Teresi, E. Toscano, D. Molteni
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Abstract: It is well known that the rotating inviscid accretion flows with adequate injection parameters around black holes could form shock waves close to the black holes, after the flow passes through the outer sonic point and can be virtually stopped by the centrifugal force.
We examine numerically such shock waves in 1D and 2D accretion flows, taking account of cooling and heating of the gas and radiation transport.
The numerical results show that the shock location shifts outward compared with that in the adiabatic solutions and that the more rarefied ambient density leads to the more outward shock location.
In the 2D-flow, we find an intermediate frequency QPO behavior of the shock location as is observed in the black hole candidate
GRS 1915+105.
Comments: 11pages, 5 Postscript figures, to appear in PASJ, Vol.56, No.3, 2004
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0403115
  (or arXiv:astro-ph/0403115v2 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0403115
Related DOI: https://doi.org/10.1093/pasj/56.3.547

Submission history

From: Toru Okuda [view email]
[v1] Thu, 4 Mar 2004 08:30:28 UTC (530 KB)
[v2] Wed, 21 Apr 2004 04:16:00 UTC (531 KB)
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