The iron Kα-line diagnostics of the rotating black hole metric in Seyfert galaxies

Details The iron Kα-line diagnostics of the rotating black hole metric in Seyfert galaxies The iron Kα-line diagnostics of the rotating black hole metric in Seyfert galaxies

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004adspr..34.2544z&link_type=abstract

Advances in Space Research, Volume 34, Issue 12, p. 2544-2549.

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Scientific paper

Observations of Seyfert galaxies in X-ray region reveal the wide emissive lines in their spectra, which can arise in inner parts of accretion disks, where the effects of General Relativity (GR) must be taken into account. A spectrum of a solitary emission line of a hot spot in Kerr accretion disk is simulated depending on the radial coordinate r and the angular momentum a = J/M of a black hole, under the assumption of equatorial circular motion of a hot spot. It is shown that the characteristic two-peak line profile with the sharp edges arises at a large distance (about r ≈ (3 10) rg). The inner regions emit the line, which is observed with one maximum and extremely wide red wing. We present results of simulations for the isothermal and Shakura Sunayev disks.

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