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An XMM Survey of a Distance-Limited openParD<22MpcclosePar Sample of Seyfert Galaxies

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ESA Earth Online2026-06-22 收录
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GT Much of the emphasis in research on AGN in recent years has been in the area of unified models and the tentative estimate of the integratedcontribution of Seyfert galaxies to the XRB. Studies with previous missions (e.g. GINGA, ASCA and BeppoSAX) have been severely limited to a handful numberof objects and biased towards objects containing hidden Seyfert 1 nuclei.Here, we propose to observe with XMM an opticallyselected, distancelimited,sample of Seyfert galaxies. The sample includes all (28) known northern Seyfertgalaxies with D<22 Mpc and is the deepest and most complete for zvirgul0. truncated!, Please see actual data for full text [truncated!, Please see actual data for full text]

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European Space Agency
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