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Title: X-ray reflection in the nearby Seyfert 2 galaxy NGC 1068
Authors: Pounds, Kenneth A.
Vaughan, Simon A.
First Published: May-2006
Publisher: Blackwell
Citation: Monthly Notices of the Royal Astronomical Society, 2006, 368, pp.707-714.
Abstract: We use the full broad-band XMM–Newton European Photon Imaging Camera (EPIC) data to examine the X-ray spectrum of the nearby Seyfert 2 galaxy NGC 1068, previously shown to be complex with the X-ray continuum being a sum of components reflected/scattered from cold (neutral) and warm (ionized) matter, together with associated emission-line spectra. We quantify the neutral and ionized reflectors in terms of the luminosity of the hidden nucleus. Both are relatively weak, a result we interpret on the unified Seyfert model by a near side-on view to the putative torus, reducing the visibility of the illuminated inner surface of the torus (the cold reflector), and part of the ionized outflow. A high inclination in NGC 1068 also provides a natural explanation for the large (Compton-thick) absorbing column in the line-of-sight to the nucleus. The emission line fluxes are consistent with the strength of the neutral and ionized continuum components, supporting the robustness of the spectral model.
DOI Link: 10.1111/j.1365-2966.2006.10139.x
ISSN: 0035-8711
eISSN: 1365-2966
Version: Publisher
Status: Peer-reviewed
Type: Article
Rights: © 2006 The Authors. Journal compilation © 2006 Royal Astronomical Society (RAS). Deposited with reference to the publisher's archiving policy available on the journal's website.
Description: The definitive version is available at
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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