Multiple X-ray reflection from ionized slabs

Details Multiple X-ray reflection from ionized slabs Multiple X-ray reflection from ionized slabs

2002-06-11

arxiv.org/abs/astro-ph/0206170v1

Mon.Not.Roy.Astron.Soc.336:315,2002

Astronomy and Astrophysics

Astrophysics

MNRAS in press, 4 pages, 7 figures

Scientific paper

10.1046/j.1365-8711.2002.05758.x

Multiple reflection of X-rays may be important when an accretion disc and its hot corona have a complicated geometry, or if returning radiation due to gravitational light bending is important, or in emission from a funnel such as proposed in some gamma-ray burst models. We simulate the effects of multiple reflection by modifying the boundary condition for an X-ray illuminated slab. Multiple reflection makes the soft X-ray spectrum steeper (softer) and strengthens broad emission and absorption features, especially the K-shell features of iron. This may be important in explaining the spectra of sources such as the Narrow-Line Seyfert 1 galaxy 1H0707-495.

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