Physics
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1016..406h&link_type=abstract
ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: The 10th International Symposium on Origin of Matter and Evolution of Galaxies: From
Physics
1
Physics Of Black Holes, Supergiant Stars, Infall, Accretion, And Accretion Disks
Scientific paper
We investigate accretion flows around supermassive binary black holes (BBHs) with the orbital eccentricity e = 0.5, the semi-major axis a = 0.01 pc, and the low mass ratio of the secondary black hole (BH) to the primary BH q = 0.1. In the simulations we consider a triple-disk system composing of two accretion disks around BHs and one circumbinary disk surrounding the two. The circumbinary disk works as a mass reservoir. We confirm that a non-axisymmetric accretion disk is formed around each BH. The X-ray luminosity of the secondary BH exhibits the double peaks every binary orbit, whereas that of the primary BH shows a single peak. Such properties can not be seen in the case of equal mass BBHs and therefore provide a potentially important observational signature of supermassive BBHs with low mass ratios.
Hayasaki Kimitake
Mineshige Shin
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