The X-ray spectral signatures from the complex circumnuclear regions in NGC424

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Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Ngc424, Xmm-Newton Proposal Id #05509501

Scientific paper

We propose a 100 ks observation of NGC424 to exploit the full range of XMM-Newton capabilities (RGS+EPIC) by studying the properties of the different materials found in the nucleus of this object.NGC424 is one of the brightest Compton-thick AGN,thus being one of the few sources which presently permit this kind of analysis.The proposed 100 ks EPIC spectrum will allow us to study in detail the properties of the torus,by measuring:the iron Kalpha/Kbeta ratio and the iron Kalpha centroid energy,to determine its ionization state and then estimate its distance from the Black Hole;the Compton Shoulder,to check if the cold reflecting matter is indeed the inner wall of the obscuring torus.On the other hand, the RGS high resolution spectrum will allow us to take advantage of

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