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Combined Accretion Disk and Nonthermal Source Model for AGN

Published online by Cambridge University Press:  07 August 2017

D. L. Band  and
M. A. Malkan
D. L. Band
Affiliation:
U.C. Berkeley and Lawrence Livermore National Laboratory, L-22, P. O. Box 808, Livermore, CA 94550
M. A. Malkan
Affiliation:
Astronomy Department, UCLA, Los Angeles, CA 90024

Extract

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We model the infrared through gamma ray AGN spectrum with a combined accretion disk and nonthermal source model and fit the spectra of a number of sources. The accretion disk model of Sun and Malkan (Sun 1987) adds relativistic effects to the emission from an optically thick, geometrically thin accretion disk; further details can be found in Sun and Malkan (1988) in these proceedings. In the nonthermal source model of Band and Grindlay (1986) relativistic electrons radiate the infrared continuum by synchrotron emission, and the X-ray spectrum by inverse Compton scattering of ultraviolet photons from the accretion disk. The electron distribution consists of a flat (n ∝ γ∼−2.4) low-energy component, and a steeper (n ∝ γ∼−3.4) high-energy component.

Type
Part 4: Black Holes, Accretion Disks and Gravitational Lenses
Information
Symposium - International Astronomical Union , Volume 134: Active Galactic Nuclei , 1989 , pp. 253 - 254
Copyright
Copyright © Kluwer 1989 

References

Band, D. L. 1987, Ap. J., 321, 80.Google Scholar
Band, D. L., and Grindlay, J. E. 1986, Ap. J., 311, 595.CrossRefGoogle Scholar
Band, D. L., and Malkan, M. A. 1988, in preparation.Google Scholar
Sun, W. H. 1987, , UCLA.Google Scholar
Sun, W. H. and Malkan, M. A. 1988, these proceedings.Google Scholar