Planetary systems in star clusters

M. B.N. Kouwenhoven, Qi Shu, Maxwell Xu Cai, Rainer Spurzem

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)


Thousands of confirmed and candidate exoplanets have been identified in recent years. Consequently, theoretical research on the formation and dynamical evolution of planetary systems has seen a boost, and the processes of planet-planet scattering, secular evolution, and interaction between planets and gas/debris disks have been well-studied. Almost all of this work has focused on the formation and evolution of isolated planetary systems, and neglect the effect of external influences, such as the gravitational interaction with neighbouring stars. Most stars, however, form in clustered environments that either quickly disperse, or evolve into open clusters. Under these conditions, young planetary systems experience frequent close encounters with other stars, at least during the first 106-107 years, which affects planets orbiting at any period range, as well as their debris structures.

Original languageEnglish
Pages (from-to)630-633
Number of pages4
JournalMemorie della Societa Astronomica Italiana - Journal of the Italian Astronomical Society
Issue number4
Publication statusPublished - 2016
Event2016 Cosmic-Lab Conference: Star Clusters as Cosmic Laboratories for Astrophysics, Dynamics and Fundamental Physics, MODEST 2016 - Bologna, Italy
Duration: 18 Apr 201622 Apr 2016


  • Exoplanets: dynamical evolution, formation
  • Galaxies: globular clusters, open clusters
  • Solar system: asteroids, comets
  • Techniques: N-body simulations


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