Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...363..415c&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 363, Nov. 10, 1990, p. 415-421. Research supported by the Robert A. Welch F
Astronomy and Astrophysics
Astrophysics
28
Accretion Disks, Active Galactic Nuclei, Polarized Radiation, Quasars, Thermal Radiation, Astronomical Models, Galactic Structure, Light Emission, Monte Carlo Method, Supermassive Stars
Scientific paper
Thermal radiation from an accretion disk is a promising explanation for the optical-ultraviolet 'bump' noted in the spectra of active galactic nuclei. However, the expected polarization of radiation from a standard thin disk conflicts with observation. The polarization of light emitted by a thin disk with a rough surface and by a thick disk (radiation torus) is computed. Improved agreement with observations is found, particularly in the case of a thick disk.
Coleman Howard H.
Shields Gregory A.
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