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A long hard look at MCG-6-20-15 with XMM-Newton

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posted on 08.12.2009, 16:25 by A. C. Fabian, Simon A. Vaughan, K. Nandra, K. Iwasawa, D. R. Ballantyne, J.C. Lee, A. De Rosa, A. Turner, A. J. Young
We present the first results from a 325-ks observation of the Seyfert 1 galaxy MCG–6-30-15 with XMM-Newton and BeppoSAX. The strong, broad, skewed iron line is clearly detected and is well characterized by a steep emissivity profile within 6rg (i.e. 6GM/c2) and a flatter profile beyond. The inner radius of the emission appears to lie at about 2rg, consistent with results reported from both an earlier XMM-Newton observation of MCG–6-30-15 by Wilms et al. and part of an ASCA observation by Iwasawa et al. when the source was in a lower flux state. The radius and steep emissivity profile do depend however on an assumed incident power-law continuum and a lack of complex absorption above 2.5 keV. The blue wing of the line profile is indented, either by absorption at about 6.7 keV or by a hydrogenic iron emission line. The broad iron line flux does not follow the continuum variations in a simple manner.

History

Citation

Monthly Notices of the Royal Astronomical Society, 2002, 335 (1), pp.L1-L5.

Version

VoR (Version of Record)

Published in

Monthly Notices of the Royal Astronomical Society

Publisher

Blackwell

issn

0035-8711

eissn

1365-2966

Copyright date

2002

Available date

08/12/2009

Publisher version

http://onlinelibrary.wiley.com/doi/10.1046/j.1365-8711.2002.05740.x/abstract

Language

en