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arXiv:astro-ph/0006231 (astro-ph)
[Submitted on 16 Jun 2000]

Title:Theoretical Models of Young Open Star Clusters: Effects of a Gaseous Component and Gas Removal

Authors:Fred C. Adams (Physics Dept., Univesity of Michigan)
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Abstract: We construct a family of semi-analytic models for young open clusters, including a gaseous component and varying assumptions about the distribution function for the stellar component. The parameters of these models are informed by observed open clusters and general theoretical considerations regarding cluster formation. We use this framework to estimate the fraction of the stellar component that remains gravitationally bound after the gaseous component disperses. The remaining stellar fraction is a smooth function of the star formation efficiency, and depends on the distribution function of the stars. We calculate the fraction of stars remaining for this class of open cluster models and provide fitting formulae for representative cases.
Comments: 19 pages, 6 figures, AAS TeX, accepted to ApJ
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0006231
  (or arXiv:astro-ph/0006231v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0006231
Related DOI: https://doi.org/10.1086/317052

Submission history

From: Fred C. Adams [view email]
[v1] Fri, 16 Jun 2000 16:29:28 UTC (26 KB)
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