Authors
J García, T Dauser, A Lohfink, TR Kallman, JF Steiner, JE McClintock, L Brenneman, J Wilms, W Eikmann, CS Reynolds, F Tombesi
Publication date
2014/1/30
Journal
The Astrophysical Journal
Volume
782
Issue
2
Pages
76
Publisher
IOP Publishing
Description
X-ray reflection models are used to constrain the properties of the accretion disk, such as the degree of ionization of the gas and the elemental abundances. In combination with general relativistic ray tracing codes, additional parameters like the spin of the black hole and the inclination to the system can be determined. However, current reflection models used for such studies only provide angle-averaged solutions for the flux reflected at the surface of the disk. Moreover, the emission angle of the photons changes over the disk due to relativistic light bending. To overcome this simplification, we have constructed an angle-dependent reflection model with the xillver code and self-consistently connected it with the relativistic blurring code relline. The new model, relxill, calculates the proper emission angle of the radiation at each point on the accretion disk and then takes the corresponding reflection spectrum into account …
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