Journal Article

Broad emission lines for a negatively spinning black hole

T. Dauser, J. Wilms, C. S. Reynolds and L. W. Brenneman

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 409, issue 4, pages 1534-1540
Published in print December 2010 | ISSN: 0035-8711
Published online December 2010 | e-ISSN: 1365-2966 | DOI:
Broad emission lines for a negatively spinning black hole

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We present an extended scheme for the calculation of the profiles of emission lines from accretion discs around rotating black holes. The scheme includes discs with angular momenta which are parallel and antiparallel with respect to the black hole's angular momentum, as both configurations are assumed to be stable. We discuss line shapes for such discs and present a code for modelling observational data with this scheme in X-ray data analysis programs. Based on a Green's function approach, an arbitrary radius dependence of the disc emissivity and arbitrary limb-darkening laws can be easily taken into account, while the amount of pre-computed data is significantly reduced with respect to other available models.

Keywords: accretion, accretion discs; black hole physics; line: profiles; galaxies: active; galaxies: nuclei

Journal Article.  4415 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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