On the Central Structure of M15

  title={On the Central Structure of M15},
  author={H. Baumgardt and P. Hut and J. Makino and S. McMillan and S. P. Zwart},
  journal={The Astrophysical Journal},
  • H. Baumgardt, P. Hut, +2 authors S. P. Zwart
  • Published 2003
  • Physics
  • The Astrophysical Journal
  • We present a detailed comparison between the latest observational data on the kinematical structure of the core of M15, obtained with the Hubble Space Telescope Space Telescope Imaging Spectrograph and Wide Field Planetary Camera 2 instruments, and the results of dynamical simulations carried out using the special purpose GRAPE-6 computer. The observations imply the presence of a significant amount of dark matter in the cluster core. In our dynamical simulations, neutron stars and/or massive… CONTINUE READING
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