Core radius evolution of star clusters

  title={Core radius evolution of star clusters},
  author={Mark I. Wilkinson and Jarrod Hurley and A D Mackey and Gerard Gilmore and C. S. Kochanek Department of Astronomy and Cambridge and American Museum of Natural History and Ny},
  journal={Monthly Notices of the Royal Astronomical Society},
  • M. Wilkinson, J. Hurley, +5 authors Ny
  • Published 29 April 2003
  • Physics
  • Monthly Notices of the Royal Astronomical Society
We use N-body simulations of star clusters to investigate the possible dynamical origins of the observed spread in core radius among intermediate-age and old star clusters in the Large Magellanic Cloud (LMC). Two effects are considered, a time-varying external tidal field and variations in primordial hard binary fraction. Simulations of clusters orbiting a point-mass galaxy show similar core radius evolution for clusters on both circular and elliptical orbits and we therefore conclude that the… 
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  • B. Santiago
  • Physics
    Proceedings of the International Astronomical Union
  • 2008
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