Dynamics of Planetary Systems in Star Clusters

  title={Dynamics of Planetary Systems in Star Clusters},
  author={R. Spurzem and M. Giersz and D. Heggie and D. Lin},
  journal={The Astrophysical Journal},
  • R. Spurzem, M. Giersz, +1 author D. Lin
  • Published 2009
  • Physics
  • The Astrophysical Journal
  • At least 10%-15% of nearby Sunlike stars have known Jupiter-mass planets. In contrast, very few planets are found in mature open and globular clusters such as the Hyades and 47 Tuc. We explore here the possibility that this dichotomy is due to the postformation disruption of planetary systems associated with the stellar encounters in long-lived clusters. One supporting piece of evidence for this scenario is the discovery of freely floating low-mass objects in star forming regions. We use two… CONTINUE READING
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