Accretion onto a rapidly moving gravitating center

Details Accretion onto a rapidly moving gravitating center Accretion onto a rapidly moving gravitating center

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979azh....56..359b&link_type=abstract

Astronomicheskii Zhurnal, vol. 56, Mar.-Apr. 1979, p. 359-367. In Russian.

Computer Science

Numerical Analysis

6

Black Holes (Astronomy), Gravitational Collapse, Stellar Mass Accretion, Density Distribution, Deposition, Gas Flow, Numerical Analysis, Shock Waves

Scientific paper

A self-similar solution is found for the problem of gas accretion onto a rapidly moving gravitating center representing a black hole. The solution is obtained for different values of the adiabatic index of the incident gas and various density distributions far from the center. It is shown that the self-similar solution, in which matter fills all the space, exists only for adiabatic indexes of 1.31 to 5/3 in the case of a uniform gas flow at infinity and for discrete values of the adiabatic index for other, power-law density distributions. In other cases there is a solution with a hollow cone behind the moving center.

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