5 years ago

The close environments of accreting massive black holes are shaped by radiative feedback

The close environments of accreting massive black holes are shaped by radiative feedback
Franz E. Bauer, Yanxia Xie, Anna Weigel, Andrew C. Fabian, Ezequiel Treister, Kyuseok Oh, Kevin Schawinski, Michael J. Koss, Yoshihiro Ueda, Luis C. Ho, Claudio Ricci, Neil Gehrels, Richard Mushotzky, Isabella Lamperti, Stephane Paltani, Benny Trakhtenbrot

The majority of the accreting supermassive black holes in the Universe are obscured by large columns of gas and dust1, 2, 3. The location and evolution of this obscuring material have been the subject of intense research in the past decades4, 5, and are still debated. A decrease in the covering factor of the circumnuclear material with increasing accretion rates has been found by studies across the electromagnetic spectrum1, 6, 7, 8. The origin of this trend may be driven by the increase in the inner radius of the obscuring material with incident luminosity, which arises from the sublimation of dust9; by the gravitational potential of the black hole10; by radiative feedback11, 12, 13, 14; or by the interplay between outflows and inflows15. However, the lack of a large, unbiased and complete sample of ac

-Abstract Truncated-

Publisher URL: http://dx.doi.org/10.1038/nature23906

DOI: 10.1038/nature23906

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