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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.
|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.|
|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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