Fluid accretion onto a spherical black hole: relativistic description versus Bondi model

Details Fluid accretion onto a spherical black hole: relativistic description versus Bondi model Fluid accretion onto a spherical black hole: relativistic description versus Bondi model

1999-07-07

arxiv.org/abs/gr-qc/9907028v1

Phys.Rev.D60:104043,1999

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

22 pages, accepted by the Physical Review D

Scientific paper

10.1103/PhysRevD.60.104043

We describe general-relativistically a spherically symmetric stationary fluid accretion onto a black hole. Relativistic effects enhance mass accretion, in comparison to the Bondi model predictions, in the case when backreaction is neglected. That enhancement depends on the adiabatic index and the asymptotic gas temperature and it can magnify accretion by one order in the ultrarelativistic regime.

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