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Constraining star cluster disruption mechanisms

Konstantopoulos, IS, Bastian, N, Gieles, M and Lamers, HJGLM (2009) Constraining star cluster disruption mechanisms 2010IAUS..266..433K.

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Star clusters are found in all sorts of environments and their formation and evolution is inextricably linked to the star formation process. Their eventual destruction can result from a number of factors at different times, but the process can be investigated as a whole through the study of the cluster age distribution. Observations of populous cluster samples reveal a distribution following a power law of index approximately -1. In this work we use M33 as a test case to examine the age distribution of an archetypal cluster population and show that it is in fact the evolving shape of the mass detection limit that defines this trend. That is to say, any magnitude-limited sample will appear to follow a dN/dt=1/t, while cutting the sample according to mass gives rise to a composite structure, perhaps implying a dependence of the cluster disruption process on mass. In the context of this framework, we examine different models of cluster disruption from both theoretical and observational standpoints.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Konstantopoulos, IS
Bastian, N
Lamers, HJGLM
Date : 5 October 2009
DOI : 10.1017/S1743921309991621
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:40
Last Modified : 24 Jan 2020 22:39

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