Spectral Models of Advection-Dominated Accretion Flows with Winds

Details Spectral Models of Advection-Dominated Accretion Flows with Winds Spectral Models of Advection-Dominated Accretion Flows with Winds

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.357q&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

We calculate spectral models of advection-dominated accretion flows, taking into account the possibility that significant mass may be lost to a wind, rather than accreted onto the central object. We apply the models to the black hole soft X-ray transients in quiescence. We show that current observations cannot assess the importance of mass loss from the accretion flow; there are qualitative degeneracies in the predicted spectra between the mass loss rate in the wind and parameters characterizing the microphysics of the accretion flow. In particular, models with substantial mass loss and strong turbulent heating of electrons are similar to models with weak mass loss and weak turbulent heating of electrons. We conclude by highlighting future observations which may resolve this degeneracy.

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