Two Dimensional Simulations of Tremaine's Eccentric Disk Model

Details Two Dimensional Simulations of Tremaine's Eccentric Disk Model Two Dimensional Simulations of Tremaine's Eccentric Disk Model

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19513401j&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #134.01; Bulletin of the American Astronomical Society, Vol. 32, p.881

Astronomy and Astrophysics

Astronomy

Scientific paper

Tremaine's eccentric disk model remains as a possible explanation of the intriguing nucleus of M31. We continue to explore his model using two-dimensional N-body simulations of a massive, eccentric disk orbiting a mobile black hole. We find a linear increase in the precession rate of the disk with increasing disk mass relative to the black hole. We also estimate the lifetimes for these eccentricities and find a slow rate of decay with a hint that heavier disks decay slightly more rapidly than lighter disks. Moreover, we estimate the circular velocity and velocity dispersion profiles and present these as a function of disk mass.

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