Accretion from an inhomogeneous medium. III - General case and observational consequences

Details Accretion from an inhomogeneous medium. III - General case and observational consequences Accretion from an inhomogeneous medium. III - General case and observational consequences

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.222..235l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 222, Sept. 15, 1986, p. 235-250.

Astronomy and Astrophysics

Astronomy

76

Accretion Disks, Anisotropic Media, Companion Stars, Neutron Stars, Stellar Mass Accretion, Stellar Winds, Angular Momentum, Cool Stars, Giant Stars, Inhomogeneity, Main Sequence Stars, White Dwarf Stars

Scientific paper

The authors study the problem of accretion by a compact object from an inhomogeneous medium, in the general γ ≠ 1 case. The mass accretion rate is found to decrease with increasing γ. The rate of accretion of angular momentum is found to be significantly lower than the rate at which angular momentum is deposited into the Bondi-Hoyle, symmetrical, accretion cylinder. The authors discuss the consequences of their results for the cases of neutron stars accreting from the winds of early-type companions and white dwarfs and main-sequence stars accreting from winds of cool giants.

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