Statistics
Scientific paper
Aug 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...467..265a&link_type=abstract
Astrophysical Journal v.467, p.265
Statistics
3
Stars: Statistics, Galaxy: Open Clusters And Associations: General, Galaxy: Globular Clusters: General, Celestial Mechanics, Stellar Dynamics, Stars: Luminosity Function, Mass Function
Scientific paper
The authors continue the analysis of the results of their previous paper in which a pure coagulation model was applied to star clusters in general. By combining in a certain way the free parameters of the model, it is possible to evaluate the ratio of the total mass of the cluster as it is today to what it was at its formation, according to the model. A correlation is found between this ratio and the age of the cluster. The analysis of this correlation also gives order-of-magnitude estimates of different processes such as accretion rate, evaporation rate, and timescale of disruption by evaporation (or mean life expectancy). These estimates are found to be in agreement with other published results. It is also found that the mass-loss rate of the cluster is proportional to the amount of coagulation that occurred. All in all, it is shown that the coagulation model, although simplistic, merits more attention.
Allen Eric J.
Bastien Pierre
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