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Limiting eccentricity of subparsec massive black hole binaries surrounded by self-gravitating gas discs
(2011)
We study the dynamics of supermassive black hole binaries embedded in circumbinary gaseous discs, with the SPH code Gadget-2. The sub-parsec binary (of total mass M and mass ratio q=1/3) has excavated a gap and transfers ...
Binaries Migrating in a Gaseous Disk: Where are the Galactic Center Binaries?
(2011)
The massive stars in the Galactic center inner arcsecond share analogous properties with the so-called Hot Jupiters. Most of these young stars have highly eccentric orbits and were probably not formed in situ. It has been ...