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Title: An XMM–Newton observation of the narrow-line Seyfert 1 galaxy Markarian 896
Authors: Page, Kim L.
O'Brien, Paul T.
Reeves, J. N.
Breeveld, A. A.
First Published: 11-Apr-2003
Publisher: Oxford University Press (OUP) on behalf of the Royal Astronomical Society
Citation: Monthly Notices of the Royal Astronomical Society, 2003, 340 (3), pp. 1052-1056
Abstract: We present XMM–Newton observations of the narrow-line Seyfert 1 galaxy Markarian 896. Over the 2–10 keV band, an iron emission line, close to 6.4 keV, is seen. The line is just resolved and has an equivalent width of ∼170 eV. The broad-band spectrum is well modelled by a power-law slope of Γ ∼2.03, together with two blackbody components to fit the soft X-ray excess. Using a more physical two-temperature Comptonization model, a good fit is obtained for an input photon distribution of kT ∼ 60 eV and Comptonizing electron temperatures of ∼0.3 and 200 keV. The soft excess cannot be explained purely through the reprocessing of a hard X-ray continuum by an ionized disc reflector.
DOI Link: 10.1046/j.1365-8711.2003.06403.x
ISSN: 0035-8711
eISSN: 1365-2966
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2003 The Authors. Journal compilation © 2003 RAS. Deposited with reference to the publisher’s open access archiving policy.
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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