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Y. Li (Harvard-Smithsonian Center for Astrophysics, Harvard University)
I will present high resolution SPH simulations of the merging of black hole binary in three polytropic gas spheres: adiabatic, \gamma=1.2, and isothermal. Our results show that the separation of the binary decreases quickly in an isothermal sphere, less fast when \gamma=1.2, and slowly in an adiabatic sphere, suggesting that the equation of state of the gas plays an important role in the merging process.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.