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A Comparative Study of Globular Clusters

Published online by Cambridge University Press:  25 May 2016

Daiichiro Sugimoto
Daiichiro Sugimoto*
Affiliation:
Department of Earth Science and Astronomy, College of Arts and Sciences, University of Tokyo 3-8-1 Komaba, Meguro-ku, Tokyo 153, Japan

Abstract

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This paper is intended for an introduction to the Symposium. In 47 Tuc many milli-second pulsars are found while none has been reported in ω Cen. One might think that in 47 Tuc they have been formed in the collapsed core through tidal capture of a main sequence star by a neutron star. If we use the standard model of gravothermal collapse of globular clusters to integrate the squared stellar density over the core and over its time history, we find, however, the accumulated probability of tidal capture is lower in 47 Tuc than ω Cen. Such contradiction suggests that it will be important to take account of mass segregation as well as stellar evolution in modelling dynamical evolution of star clusters.

Type
August 22: Introduction
Information
Symposium - International Astronomical Union , Volume 174: Dynamical Evolution of Stars Clusters , 1996 , pp. 1 - 7
Copyright
Copyright © Kluwer 1996 

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