Self-consistent spherical accretion onto compact X-ray sources

Details Self-consistent spherical accretion onto compact X-ray sources Self-consistent spherical accretion onto compact X-ray sources

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...229.1092s&link_type=abstract

Astrophysical Journal, Part 1, vol. 229, May 1, 1979, p. 1092-1097.

Astronomy and Astrophysics

Astronomy

13

Neutron Stars, Self Consistent Fields, Stellar Mass Accretion, X Ray Sources, Black Holes (Astronomy), Compton Effect, Relativistic Effects, Steady Flow, Stellar Luminosity, Stellar Models, Stellar Radiation

Scientific paper

Analytic spherical accretion models of compact X-ray sources are presented that are 'self-consistent' in the sense that their luminosity is determined by the free-free radiation emitted by the flow. Because the emergent radiation extends to energies substantially above 10 keV, Compton heating of the infalling gas results in disruption of the flow for luminosities greater than 1 millionth to 100 millionths of the Eddington limit, within the uncertainties of the temperature of the innermost region. These models are applicable to accretion onto black holes in which the majority of X-ray emission occurs in the flow, rather than near the event horizon.

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