XMM-Newton Proposal 02004311

Details XMM-Newton Proposal 02004311 XMM-Newton Proposal 02004311

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop...20g&link_type=abstract

XMM-Newton Proposal ID #02004311

Physics

Ngc1410, Ngc7212, Ngc449, Mkn612, Ugc6527, Ic4995, Ugc1214, Eso509-G66, Um625, Ngc591, Iras01475-0740, Xmm-Newton Proposal 02004311

Scientific paper

This proposal aims at observing a sizable sample of Seyfert 2 galaxies, selected according to the HST-imaged morphology of their nuclear dust. We request to complete the original sample with 10 objects, which were approved as "priority C" targets for the AO2. The main goal of the proposal is to verify whether the X-ray absorption in Compton-thin and -thick Seyfert 2 galaxies is associated with different physical media. First results support the idea that the compact "torus" may be responsible for the absorption in Compton-thick objects only, whereas Compton-thin absorbing media could be located at much larger scales, maybe related to the host galaxy rather than to the nuclear environment. We propose to establish the above hypothesis on a firm statistical ground.

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