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The structure of young star clusters in the Large Magellanic Cloud
Abstract
The authors present surface brightness profiles, based on star counts and aperture photometry, for 10 rich young star clusters in the Large Magellanic Cloud. To investigate the dynamical evolution of the clusters, they derive mass-to-light ratios from stellar population models. They consider various ways in which the clusters might have formed, and suggest several explanations for the observed profiles. Expansion of a newly formed cluster either through mass loss or during violent relaxation could lead to the formation of a halo of unbound stars. To examine this possibility, a calculation of the tidal field of the LMC is included. At least some and perhaps all the clusters in the sample extend beyond their eventual tidal radii, with up to 50% of the total masses in unbound halos.
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Citations
Cited by
McLaughlin, D. E., & van der Marel, R. P. (2005) · The Astrophysical Journal Supplement Series · doi:10.1086/497429 · Cited by 719
The formation of a bound star cluster: from the Orion nebula cluster to the Pleiades
Kroupa, P., Aarseth, S., & Hurley, J. (2001) · Monthly Notices of the Royal Astronomical Society · doi:10.1046/j.1365-8711.2001.04050.x · Cited by 458
Spitzer Observations of NGC 1333: A Study of Structure and Evolution in a Nearby Embedded Cluster
Gutermuth, R. A., Myers, P. C., Megeath, S. T., Allen, L. E., Pipher, J. L., Muzerolle, J., Porras, A., Winston, E., & Fazio, G. (2008) · The Astrophysical Journal · doi:10.1086/524722 · Cited by 419
Early disc accretion as the origin of abundance anomalies in globular clusters
Bastian, N., Lamers, H. J. G. L. M., de Mink, S. E., Longmore, S. N., Goodwin, S. P., & Gieles, M. (2013) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stt1745 · Cited by 288
The kinematics of the Scorpius-Centaurus OB association from Gaia DR1
Wright, N. J., & Mamajek, E. E. (2018) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/sty207 · Cited by 144
Metadata
- Authors
- Elson, R. A. W., Fall, S. M., & Freeman, K. C.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1987-12
- Volume
- 323
- Pages
- 54
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1980769538
- Cited by
- 435
- References
- 0
- FWCI
- 2.66
- Type
- journal article
- Language
- en
- Open access
- closed
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- Elson, R. A. W., Fall, S. M., & Freeman, K. C. (1987). The structure of young star clusters in the Large Magellanic Cloud. The Astrophysical Journal. https://doi.org/10.1086/165807
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
