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Surface Abundance Anomalies of Main Sequence Stars in Globular Clusters — A Probe into Interactions between Stars

Published online by Cambridge University Press:  26 May 2016

Masaaki Shimada ,
Masayuki Y. Fujimoto ,
Shimako Yamada  and
Daiichiro Sugimoto
Masaaki Shimada
Affiliation:
Department of Liberal Arts, Nagoya College, Toyoake, Aichi, Japan
Masayuki Y. Fujimoto
Affiliation:
Department of Physics, Hokkaido University, Sapporo, Hokkaido, Japan
Shimako Yamada
Affiliation:
Department of Physics, Hokkaido University, Sapporo, Hokkaido, Japan
Daiichiro Sugimoto
Affiliation:
University of Air, Mihamaku, Chiba, Japan

Abstract

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In most of globular clusters, surface abundance anomalies are observed not only from red giant stars but also from main sequence stars. We discuss the possibility that the latter anomalies can be explained in terms the pollution due to mass transfer during close encounters with red giants, the latter of which have already developed the anomalies through their internal processes. If this is the case, the main sequence stars with the abundance anomalies may serve as a probe into the star-star interactions in dense cores of globular clusters.

Type
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Information
Symposium - International Astronomical Union , Volume 208: Astrophysical Supercomputing using Particle Simulations , 2003 , pp. 445 - 446
Copyright
Copyright © Astronomical Society of the Pacific 2003