Astronomy and Astrophysics – Astrophysics – High Energy Astrophysical Phenomena
Scientific paper
2010-07-28
Astronomy and Astrophysics
Astrophysics
High Energy Astrophysical Phenomena
7 pages, 6 figures; accepted by MNRAS for Publication, now matches the proof read version
Scientific paper
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 (King et al., 2005). 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 precomputed data is significantly reduced with respect to other available models.
Brenneman Laura W.
Dauser Thomas
Reynolds Chris S.
Wilms Joern
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