Evolution of dense rotating star clusters in the cores of early galaxies

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

We present simulations of the evolution of dense star clusters integrated using a two-dimensional Fokker-Planck approach. Effects of initial rotation, ellipticity, and stellar mergers are included. When an instability criterion is satisfied (Trot/|W| > alpha , where alpha is the stability parameter), a non-axisymmetric component of the potential is applied to model the formation of a stellar bar. Results are interpreted with a view to describing the formation of a massive ( ~ 10(3) M_sun) object near the cluster center which could evolve into the seed black hole of an AGN or quasar.

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