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The Dynamical Evolution of Young Clusters and Associations

Published online by Cambridge University Press:  30 March 2016

Robert D. Mathieu
Robert D. Mathieu*
Affiliation:
Harvard-Smithsonian Center for Astrophysics 60 Garden Street Cambridge, Massachusetts USA

Extract

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A young cluster or association bears the imprint of the conditions at its birth for perhaps ten million years, after which the initial conditions are lost to either dilution in the galactic field or erasure by orbital mixing and stellar encounters. In its youngest years, however, the dynamical state of the system can provide valuable information concerning the structure and energetics of the parent gas, the star-formation efficiency and the star-formation process itself. This short review discusses recent theoretical and observational progress in the study of the very youngest of stellar systems.

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