Name of the Speaker(s): Pariev Vladimir
Institution: Radioastromomy Department of P.N.Lebedev Physical Institute (Russia)
Title of the communication: Hydrodynamic accretion onto rapidly rotating Kerr black hole
Preliminary abstract (12 lines max.): Bondi type hydrodynamic accretion of the surrounding matter onto Kerr black hole with an arbitrary rotational parameter is considered. The black hole is supposed to be at rest with respect to matter at infinity. The flow is adiabatic and has no angular momentum. The fact that usually in astrophysics substance far from the black hole has nonrelativistic temperature introduces small parameter to the problem and allows to search for the solution as a perturbation to the accretion of a cold, that is dust--like, matter. The equations thus obtained are solved analytically. The conditions of the regularity of the solution at the sonic surface and at infinity allow to specify unique solution, to find the shape of the sonic surface and to determine the corrections to Bondi accretion rate.