Transonic disk accretion onto black holes

Details Transonic disk accretion onto black holes Transonic disk accretion onto black holes

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..271l&link_type=abstract

Astrophysical Journal, Part 1, vol. 240, Aug. 15, 1980, p. 271-274.

Astronomy and Astrophysics

Astronomy

74

Binary Stars, Black Holes (Astronomy), Stellar Mass Accretion, Transonic Speed, X Ray Sources, Angular Momentum, Astronomical Models, Disks (Shapes)

Scientific paper

The solution for the radial drift velocity of thin disk accretion onto black holes must be transonic, and is analogous to the critical solution in spherical Bondi accretion, except for the presence of angular momentum. The transonic requirement yields a correct treatment of the inner region of the disk not found in the conventional Keplerian models and may lead to significantly different overall disk structures. Possible observational consequences, relevant to the black hole hypothesis for Cyg X-1 and other candidates, are discussed.

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