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Dynamics in the Embedded Phase: Accretion, Collisions, Contraction

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Star Clusters in the Era of Large Surveys

Part of the book series: Astrophysics and Space Science Proceedings ((ASSSP))

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Abstract

Numerical studies of the early evolution of star clusters have traditionally been based on full hydrodynamic treatments (hampered by the large computational burden) or a purely gravitational N-body approach (limited by not considering the cluster’s natal gas). I will discuss recent work that pushes the N-body techniques toward a more realistic gas treatment. In particular I will focus on the behavior of forming clusters as they accrete gas, leading to compact configurations that are robust to gas expulsion, and in extreme cases to the collisional growth of very massive stars.

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Acknowledgements

My thanks to the organizers for the invitation, and to Sverre Aarseth for the use of hisGPUs and debugging help during this project.

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Authors and Affiliations

  1. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB3 0HA, UK

    Nickolas Moeckel

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  1. Nickolas Moeckel
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Correspondence to Nickolas Moeckel .

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Editors and Affiliations

  1. , Fac. de Ciências da Univ. de Lisboa, SIM, Campo Grande, Edifício C8, Lisbon, 1749-016, Portugal

    André Moitinho

  2. Institute of Astronomy, Türkenschanzstrasse 17, Vienna, 1180, Austria

    João Alves

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Moeckel, N. (2012). Dynamics in the Embedded Phase: Accretion, Collisions, Contraction. In: Moitinho, A., Alves, J. (eds) Star Clusters in the Era of Large Surveys. Astrophysics and Space Science Proceedings. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22113-2_19

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  • DOI: https://doi.org/10.1007/978-3-642-22113-2_19

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-22112-5

  • Online ISBN: 978-3-642-22113-2

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