Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296.1021n&link_type=abstract
In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 2: AGN and the X Ray Background p 1021-1026 (SEE N90-2
Astronomy and Astrophysics
Astronomy
2
Accretion Disks, Iron, K Lines, Seyfert Galaxies, Spectrum Analysis, X Ray Spectra, Galactic Radiation, Photoionization, Spectral Bands, Spectral Signatures
Scientific paper
EXOSAT and Ginga observations of the type I Seyfert galaxy MCG-6-30-15 revealed a complex picture of the X-ray spectrum. The soft excess found in the first EXOSAT observation was confirmed in the spectral analysis of the EXOSAT long-look data. Evidence for iron features arising from cold material close to the nucleus is obtained. The iron features were confirmed by the Ginga LAC. The X-ray observations provide good evidence for an accretion disc in MCG-6-30-15 which presents a signature both in the soft band and around 7 keV where measurable iron features are produced. There is also evidence for a possible warm absorber around the central source.
Fabian Andrea C.
George Ian Michael
Nandra Kirpal
Pounds Kenneth A.
Stewart Gordon C.
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