2006/06/08 by Hidenori Matsui, Asao Habe, Takayuki R. Saitoh
Physics and Astronomy · #Active galactic nucleus #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Binary black hole #Binary number #Gas dynamics #Orbital motion #Pulsars and Gravitational Waves Research #Spin-flip #Star formation #Supermassive black hole #X-ray binary #astro-ph
paper · pdf · doi:10.1086/506424
published as Astrophys.J.651:767-774,2006 · 19 pages, 11 figures, accepted for publication in ApJ
arxiv created 2006/06/08 · openalex publication_date 2006/11/02 · arxiv updated 2009/12/01 · openalex created_date 2020/11/23 · openalex updated_date 2026/08/05
We study the influence of a galactic central supermassive black hole (SMBH) binary on gas dynamics and star formation activity in a nuclear gas disk with three-dimensional tree+SPH simulations. Because of the orbital motions of the SMBHs, there are various resonances between the gas motion and SMBH binary motion. We show that these resonances create characteristic structures of gas in the nuclear gas disk, for example, elongated or filament structures, gaseous spiral arms, and/or small gas disks around the SMBHs. In these dense gaseous regions, active star formation is induced, and as a result, many starbursts are formed in the nuclear region.