Effects of a Supermassive Black Hole Binary on a Nuclear Gas Disk | Zendy

Hidenori Matsui | Zendy; Asao Habe | Zendy; Takayuki R. Saitoh | Zendy

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Effects of a Supermassive Black Hole Binary on a Nuclear Gas Disk

Author(s) -

Hidenori Matsui,

Asao Habe,

Takayuki R. Saitoh

Publication year - 2006

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/506424

Subject(s) - supermassive black hole , physics , astrophysics , orbital motion , active galactic nucleus , binary black hole , star formation , binary number , astronomy , galaxy , angular momentum , gravitational wave , classical mechanics , arithmetic , mathematics

We study influence of a galactic central supermassive black hole (SMBH)binary on gas dynamics and star formation activity in a nuclear gas disk bymaking three-dimensional Tree+SPH simulations. Due to orbital motions of SMBHs,there are various resonances between gas motion and the SMBH binary motion. Wehave shown that these resonances create some characteristic structures of gasin the nuclear gas disk, for examples, gas elongated or filament structures,formation of gaseous spiral arms, and small gas disks around SMBHs. In thesegaseous dense regions, active star formations are induced. As the result, manystar burst regions are formed in the nuclear region.Comment: 19 pages, 11 figures, accepted for publication in Ap

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