Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19915003r&link_type=abstract
American Astronomical Society, 199th AAS Meeting, #150.03; Bulletin of the American Astronomical Society, Vol. 33, p.1529
Astronomy and Astrophysics
Astronomy
Scientific paper
We present XMM-Newton European Photon Imaging Camera (EPIC) observations of the bright Seyfert 1 galaxy MCG-6-30-15, focusing on the broad Fe Kα line at ~ 6 keV and the associated reflection continuum, which is believed to originate from the inner accretion disk. We find these reflection features to be extremely broad and red-shifted, indicating its origin from the very most central regions of the accretion disk. It seems likely that we have caught this source in the ``deep minimum'' state first observed by Iwasawa et al. (1996). The implied central concentration of X-ray illumination is difficult to understand in any pure accretion disk model. We suggest that we are witnessing the extraction and dissipation of rotational energy from a spinning black hole by magnetic fields connecting the black hole to the disk.
Begelman Mitchell C.
Kendziorra Eckhard
Molendi Silvano
Reeves James
Reynolds Chris S.
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