Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.8412g&link_type=abstract
American Astronomical Society, 187th AAS Meeting, #84.12; Bulletin of the American Astronomical Society, Vol. 27, p.1410
Astronomy and Astrophysics
Astronomy
Scientific paper
We are developing a numerical model of dense stellar clusters (rho ~ 10(7) M_sunpc(-3) ) at the centres of galaxies, using the orbit-averaged Fokker-Planck equation in two-dimensional action-angle space. The model expands the work of Quinlan & Shapiro (1990 ApJ 356, 483, ``Q&S'') to include rotation and associated effects, ellipticity and angular momentum. A non-axisymmetric component of the potential (i.e. the formation of a stellar bar) is invoked to increase the efficiency of angular momentum transport. The aim is to show the formation of a massive ( ~ 10(3) M_sun) object at the cluster center which could evolve into the seed black hole of an active galactic nucleus or quasar.
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