Abstract
view Abstract Citations (136) References (54) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Advection-dominated Models of Luminous Accreting Black Holes Narayan, Ramesh Abstract It has been found that a class of optically thin two-temperature advection-dominated accretion solutions explains many observations of low-luminosity accreting black holes. Here it is shown that these models give a satisfactory description also of higher luminosity systems, provided the viscosity parameter α is large. The models reproduce the spectra of black hole X-ray binaries in the low state and explain the transition from the low state to the high state at a critical mass accretion rate. The models also show that the X-ray/γ-ray spectra of X-ray binaries and active galactic nuclei should be similar, as confirmed by observations. Publication: The Astrophysical Journal Pub Date: May 1996 DOI: 10.1086/177136 arXiv: arXiv:astro-ph/9510028 Bibcode: 1996ApJ...462..136N Keywords: ACCRETION; ACCRETION DISKS; BLACK HOLE PHYSICS; GALAXIES: ACTIVE; X-RAYS: STARS; Astrophysics E-Print: 12 pages compressed uuencoded postscript, including 2 figures. To appear in Part 1 of The Astrophysical Journal full text sources arXiv | ADS | data products SIMBAD (9)
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