Cosmological evolution of supermassive black holes in galactic centers unveiled by hard X-ray observations

We review the current understanding of the cosmological evolution of supermassive black holes in galactic centers elucidated by X-ray surveys of active galactic nuclei (AGNs). Hard X-ray observations at energies above 2 keV are the most efficient and complete tools to find “obscured” AGNs, which are...

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Bibliographic Details
Main Author: UEDA, Yoshihiro
Format: Online
Language:English
Published: The Japan Academy 2015
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4561239/