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Star Cluster Ecology I: A Cluster Core with Encounters between Single Stars

Simon F. Portegies Zwart, Piet Hut, Frank Verbunt

astro-pharXiv:astro-ph/9701042

Abstract

Star clusters with a high central density contain an ecological network of evolving binaries, affected by interactions with passing stars, while in turn affecting the energy budget of the cluster as a whole by giving off binding energy. This is the first paper in a series aimed at providing the tools for increasingly realistic simulations of these ecological networks.

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