Volume 434, Number 1, April IV 2005
|Page(s)||41 - 44|
|Published online||01 April 2005|
High Mach-number Bondi-Hoyle-Lyttleton flow around a small accretor
Stockholms Observatorium, Albanova Universitetscentrum, 106 91 Stockholm, Sweden e-mail: firstname.lastname@example.org
Accepted: 22 December 2004
In this paper, we discuss a two-dimensional numerical study of isothermal high Mach number Bondi-Hoyle-Lyttleton flow around a small accretor. The flow is found to be unstable at high Mach numbers, with the instability appearing even for a larger accretor. The instability appears to be the unstable radial mode of the accretion column predicted by earlier analytic work.
Key words: accretion, accretion disks / hydrodynamics / instabilities
© ESO, 2005
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