Astronomisches Rechen-Institut Heidelberg

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ARI-Heidelberg Mitteilungen Serie A, No. 173

Author(s): Wielen, R.
Title: Dynamics of Open Star Clusters
Source: In: Dynamics of Star Clusters. Proc. IAU Symp. 113, Princeton, NJ, USA, 29 May - 1 June, 1984; J. Goodman, P. Hut (eds.), Reidel, Dordrecht, p. 449-462
Year: 1985
Abstract: The dynamical evolution of open star clusters has been studied successfully by numerical N-body simulations. We compare in detail the theoretically predicted lifetimes with those derived from the observed age distribution of open clusters. Rare but efficient encounters between clusters and giant molecular clouds are probably responsible for the sudden disruption of many open clusters. Massive black holes from the galactic corona would, on the average, affect only old open clusters.
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