Standing shocks in isothermal rotating winds and accretion

Details Standing shocks in isothermal rotating winds and accretion Standing shocks in isothermal rotating winds and accretion

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.240....7c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 240, Sept. 1, 1989, p. 7-21.

Statistics

Computation

18

Accretion Disks, Black Holes (Astronomy), Magnetohydrodynamic Flow, Neutron Stars, Rotating Plasmas, Shock Waves, Computational Astrophysics, Perturbation Theory, Polar Coordinates, Radial Velocity, Stellar Winds

Scientific paper

A study is made of the properties of the standing shocks in the rotating isothermal accretion and winds near the compact objects. The flow is assumed to be nondissipative except possibly at the shocks. It is shown that for a given set of the initial parameters, the shock can formally locate itself at one of the four positions. A local stability analysis is also performed to show that in some range of the parameter space shocks in some of the locations are stable. In some other range, shocks at none of the locations are stable. Black hole accretion with these parameters is inherently nonstationary.

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