Polarization signatures of strong gravity by reflection from accretion discs

Details Polarization signatures of strong gravity by reflection from accretion discs Polarization signatures of strong gravity by reflection from accretion discs

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248..419d&link_type=abstract

X-RAY ASTRONOMY 2009; PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES: Proceedings of the International Confer

Astronomy and Astrophysics

Astronomy

Accretion, Polarization, Black Holes, Galactic Nuclei, X-Ray Binary Stars, Infall, Accretion, And Accretion Disks, Magnetic And Electric Fields, Polarization Of Starlight, Black Holes, Galactic Nuclei, Circumnuclear Matter, And Bulges, X-Ray Binaries

Scientific paper

The effects of strong gravity on the polarization of the Compton reflection from an X-ray illuminated accretion disc are studied. The gravitational field of a rotating black hole influences Stokes parameters of the radiation along the propagation to a distant observer. Assuming powerlaw illumination of the disc by corona, the degree of polarization is examined as a function of the black hole spin, observer's inclination angle and height of the primary source.

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