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Obscured AGN in Multiwavelength Surveys | | Ezequiel Treister
; C.M. Urry
; Jeff Van Duyne
; the GOODS AGN Team
; | | Date: |
17 Nov 2004 | | Subject: | astro-ph | | Affiliation: | Yale/U. de Chile), C.M. Urry (Yale), Jeff Van Duyne (Yale | | Abstract: | Using a simple unification model for AGN, with a fixed ratio of obscured to unobscured AGN of 3:1, we explain the X-ray, optical and infrared properties of the X-ray sources in the GOODS fields. That is, the GOODS data are consistent with the existence of a large population of obscured AGN out to high redshifts. About half of these are so obscured that they are missed even by hard X-ray observations, and are detected only in deep infrared observations. The previously reported decreasing trend of obscured to total AGN ratio with increasing X-ray luminosity can be explained entirely as a selection effect. | | Source: | arXiv, astro-ph/0411485 | | Services: | Forum | Review | PDF | Favorites | |
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