Shortening of core collapse time in star clusters with two mass components

Details Shortening of core collapse time in star clusters with two mass components Shortening of core collapse time in star clusters with two mass components

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnts...3..163k&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, Suppl, no. 3, p. 163-166

Computer Science

Scientific paper

We present high--accuracy Nbody simulations of isolated star clusters consisting of two distinct mass components, m1 and m2, and vary their relative ratio μ = m2/m1. The mass fraction of the more massive component to the total mass, q=M2/Mtot, is set equal to 0.1 in all cases. We determine the average star mass within a fixed ``Lagrangian shell''. It is found that the time of first core collapse is reduced by the ratio μ with respect to a cluster with uniform masses.

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