AGN unified scheme and evolution: a Suzaku view
A. Comastri, K. Iwasawa, R. Gilli, C. Vignali, P. Ranalli
TL;DR
This paper uses Suzaku observations to examine the AGN unified model in Seyfert 2 galaxies and discusses the prevalence of heavily obscured AGN in the local universe and at high redshifts.
Contribution
It provides new Suzaku data on Seyfert 2 galaxies and reviews the space density and detection prospects of Compton Thick AGN.
Findings
Suzaku observations support aspects of the AGN unified scheme.
Heavily obscured AGN are more common than previously thought.
Challenges remain in detecting Compton Thick AGN at high redshifts.
Abstract
We present broad band Suzaku}observations of a small sample of hard X-ray selected (> 10 keV), nearby Seyfert 2 galaxies and discuss the results in the context of AGN unified model. We also review the issues related to the space density of heavily obscured, Compton Thick AGN in the local Universe and the perspectives for the search of these objects at high redshifts
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Taxonomy
TopicsAstrophysical Phenomena and Observations · Astronomy and Astrophysical Research · Gamma-ray bursts and supernovae