Detection of iron features in the X-ray spectrum of the Seyfert I galaxy MCG-6-30-15

Details Detection of iron features in the X-ray spectrum of the Seyfert I galaxy MCG-6-30-15 Detection of iron features in the X-ray spectrum of the Seyfert I galaxy MCG-6-30-15

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236p..39n&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Jan. 15, 1989, p. 39P-46P.

Astronomy and Astrophysics

Astronomy

72

Accretion Disks, Astronomical Spectroscopy, Iron, Seyfert Galaxies, X Ray Spectra, Active Galactic Nuclei, Exosat Satellite, Luminosity, Red Shift

Scientific paper

The spectral analysis of an extended Exosat observation of the Seyfert I galaxy MCG-6-30-15 has revealed significant differences from the previous simple power-law description. In particular, evidence is found for both emission and absorption features from cold iron, indicating a large column density of material possibly located close to the central energy source. The underlying continuum spectrum is best described either by a two-power-law model or by a single power-law covered by a complex absorber. The relevance of these results to accretion in active galactic nuclei, in particular to disk and 'cold cloud' models, is briefly discussed.

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