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Core Evolution of Rich Stellar Clusters in the LMC

Published online by Cambridge University Press:  26 May 2016

A.D. Mackey ,
M.I. Wilkinson ,
G.F. Gilmore  and
J.R. Hurley
A.D. Mackey
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge, CB3 0HA, UK
M.I. Wilkinson
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge, CB3 0HA, UK
G.F. Gilmore
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge, CB3 0HA, UK
J.R. Hurley
Affiliation:
American Museum of Natural History, New York

Abstract

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Observations of rich LMC clusters reveal an increasing spread in core radius with increasing age. We use N-body simulations of clusters on elliptical orbits about the LMC to show that a time-varying tidal field can result in significant core expansion. The observed spread in core radii may therefore reflect a spread in orbital parameters between clusters.

Type
Posters
Information
Symposium - International Astronomical Union , Volume 208: Astrophysical Supercomputing using Particle Simulations , 2003 , pp. 423 - 424
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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