New Lights on the Torus

Details New Lights on the Torus New Lights on the Torus

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe..45p&link_type=abstract

"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 45-45"

Physics

Scientific paper

I will discuss the implications of X-ray, infrared, UV and submillimetre observations of AGN on the geometric configuration of the torus. First, I will begin with an overview of the results from X-ray and mid-infrared surveys, which have proved efficient in detecting a large population of absorbed AGN and have been widely interpreted as discrepant with the AGN unified scheme. I will explain how these results can be reconciled with the unified scheme, and their implications. Second, I will then describe some the results from the new-world of high resolution X-ray spectroscopy. In particular, I will discuss the relationship between the torus and ionized outflows from AGN, and the role of the torus in feeding and regulating the accretion process. I will finish by placing these results in the context of X-ray and submillimetre observations of X-ray absorbed QSOs at z=2, and what this tells us about the evolutionary sequence of AGN and galaxy formation.

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