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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Vignali, C.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2013The XMM Deep survey in the CDF-S. V. Iron K lines from active galactic nuclei in the distant Universecitations
- 2012Deep X-ray spectroscopy of obscured AGN in the ultra-deep XMM surveys of the Chandra Deep Field South (CDFS)
- 2012Deep X-ray spectroscopy of obscured AGN in the ultra-deep XMM surveys of the Chandra Deep Field South (CDFS)
- 2012Deep X-ray spectroscopy of obscured AGN in the ultra-deep XMM surveys of the Chandra Deep Field South (CDFS)
- 2010Suzaku Observations of Hard X-ray-selected Seyfert 2 Galaxiescitations
- 2007Compton Thick AGN in the Suzaku Eracitations
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document
Deep X-ray spectroscopy of obscured AGN in the ultra-deep XMM surveys of the Chandra Deep Field South (CDFS)
Abstract
According to the recent models for the joint evolution of Super Massive Black Holes and their Host Galaxies, heavy obscuration represents a crucial phase and is expected to play a key role in the feedback mechanisms self regulating the SMBH growth. The smoking gun signature of heavy absorption is the presence of a low energy cut-off and/or reflection signatures (i.e. iron lines and edges) in the X-ray spectrum. Deep X-ray spectroscopy represents the most efficient method to uncover the most obscured sources at cosmological distances. After a brief description of the XMM ultra-deep (3 Ms) survey in the CDFS, I will present the results of a systematic search for heavily obscured and Compton thick AGN and discuss the results in the light of recent phenomenological (i.e. XRB synthesis) and theoretical models. I will also highlight the power of deep spectral spectroscopy to obtain redshift estimates, via the iron line, more accurate and reliable than available photo-z. Synergies between ultra-deep Chandra (4 Ms) and XMM observations and perspectives for future surveys will be also reported....