Statistics – Computation
Scientific paper
May 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...328..223c&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 328, May 1, 1988, p. 223-231. Research supported by the Fulbright Foundatio
Statistics
Computation
16
Accretion Disks, Dwarf Novae, Electron Scattering, Linear Polarization, Thermal Radiation, Variable Stars, Active Galactic Nuclei, Cataclysmic Variables, Computational Astrophysics, Eclipsing Binary Stars, Interstellar Matter
Scientific paper
Theoretical calculations of linear polarization of thermal radiation from accretion disks in nova-like variables and dwarf novae in eruption are presented. The primary source of polarization is due to electron scattering in the disk's photosphere. It is shown that the degree of polarization can be used as a powerful probe of the structure and evolution of the disk atmosphere. The degree of polarization is considerably higher in the ultraviolet than at optical wavelengths, and the degree of polarization may be higher in an eclipsing system when the central region of the disk is eclipsed. The orbital phase dependence distinguishes intrinsic polarization from the disk to that due to interstellar medium.
Cheng Fu-Hua
Lin Doug N. C.
Pringle James E.
Shields Gregory A.
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