EDP Sciences
Free Access
Issue
A&A
Volume 383, Number 3, March I 2002
Page(s) L23 - L26
Section Letters
DOI https://doi.org/10.1051/0004-6361:20020089
Published online 15 March 2002


A&A 383, L23-L26 (2002)
DOI: 10.1051/0004-6361:20020089

Letter

On the origin of the broad, relativistic iron line of MCG-6-30-15 observed by XMM-Newton

A. Martocchia1, G. Matt1 and V. Karas2

1  Dipartimento di Fisica, Università degli Studi "ROMA TRE", Via della Vasca Navale 84, 00146 Roma, Italy
    e-mail: matt@fis.uniroma3.it
2  Astronomical Institute of the Charles University, Faculty of Mathematics and Physics, V Holesovickách 2, 180 00 Praha, Czech Republic
    e-mail: vladimir.karas@mff.cuni.cz

(Received 12 December 2001 / Accepted 10 January 2002)

Abstract
The relativistic iron line profile recently observed by XMM-Newton in the spectrum of the Seyfert 1 galaxy MCG-6-30-15 (Wilms et al. 2001) is discussed in the framework of the lamp-post model. It is shown that the steep disc emissivity, the large line equivalent width and the amount of Compton reflection can be self-consistently reproduced in this scenario.


Key words: relativity -- line: profiles; black hole physics -- accretion, accretion discs -- X-rays: galaxies -- galaxies: individual: MCG-6-30-15

Offprint request: A. Martocchia, martocchia@fis.uniroma3.it

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© ESO 2002

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