Statistics – Computation
Scientific paper
Nov 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...382..125c&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 382, Nov. 20, 1991, p. 125-133.
Statistics
Computation
25
Accretion Disks, Emission Spectra, K Lines, Polarized Radiation, Relativistic Effects, X Ray Binaries, Active Galactic Nuclei, Astronomical Polarimetry, Astronomical Spectroscopy, Computational Astrophysics, Seyfert Galaxies
Scientific paper
The polarization properties of line emission originating in a geometrically thin relativistic Keplerian disk are investigated. The detailed derivation of formulas for calculating the line profile as well as its polarization is presented. It is found that general relativistic effects on the line profile, especially on the polarization of the line, can be strong. Therefore, polarimetric observation will provide an invaluable diagnostic for the origin of the lines. The very broad X-ray K-alpha lines observed from many accretion powered sources are good candidates for the application of the present results. These lines provide an important clue to processes in the innermost region of the accretion disk, where many uncertainties remain.
Chen Kaiyou
Eardley Douglas M.
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