Radiatively Driven Winds from Effective Boundary Layer around Black Holes

Details Radiatively Driven Winds from Effective Boundary Layer around Black Holes Radiatively Driven Winds from Effective Boundary Layer around Black Holes

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002japa...23..149c&link_type=abstract

Journal of Astrophysics and Astronomy, Vol. 23, p.149

Astronomy and Astrophysics

Astrophysics

Scientific paper

Matter accreting onto black holes suffers a standing or oscillating shock wave in much of the parameter space. The post-shock region is hot, puffed up and reprocesses soft photons from a Keplerian disc to produce the characteristic hard tail of the spectrum of accretion discs. The post-shock torus is also the base of the bipolar jets. We study the interaction of these jets with the hard photons emitted from the disc.We show that radiative force can accelerate outflows but the drag can limit the terminal speed. We introduce an equilibrium speed veq as a function of distance, above which the flow will experience radiative deceleration.

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