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Title:
Chandra Detection of the Iron Compton Shoulder in the Circinus Galaxy
Authors:
Bianchi, S.; Matt, G.; Fiore, F.; Iwasawa, K.; Nicastro, F.
Publication:
High Resolution X-ray Spectroscopy with XMM-Newton and Chandra, Proceedings of the international workshop held at the Mullard Space Science Laboratory of University College London, Holmbury St Mary, Dorking, Surrey, UK, October 24 - 25, 2002, Ed. Branduardi-Raymont, G., published electronically and stored on CD., meeting abstract
Publication Date:
12/2002
Origin:
AUTHOR
Bibliographic Code:
2002hrxs.confE...4B

Abstract

We report on the detection of the iron Kalpha Compton shoulder with a flux of about 20% the line core in the Chandra HEG spectrum of the Circinus Galaxy. This feature is predicted on theoretical grounds as arising from Compton scattering of the fluorescent line photons in optically thick matter, and the observed flux and width are fully consistent with Monte Carlo simulations, which are also presented here.

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Database: Astronomy
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arXiv e-prints
    


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