Globular Cluster Systems as Probes of Elliptical Galaxy Formation

Details Globular Cluster Systems as Probes of Elliptical Galaxy Formation Globular Cluster Systems as Probes of Elliptical Galaxy Formation

1996-01-22

arxiv.org/abs/astro-ph/9601118v1

Astronomy and Astrophysics

Astrophysics

8 pages, postscript, gzipped and uuencoded, also at http://astron.berkeley.edu/preprints.html . Review presented at the Sant

Scientific paper

Globular cluster systems provide valuable fossil records of the formation history of their parent galaxies. This review specifically concentrates on using color distributions of the globular cluster systems of elliptical galaxies to distinguish between competing models for the formation of these galaxies. The observational requirements for testing various formation models are discussed, and the results of past and current studies are reviewed. The conclusions of these studies are that most color distributions appear to have two or more peaks, indicating an episodic formation history. This result is consistent with previous predictions of merger models for the formation of elliptical galaxies. Possibilities for improving these results in the future are also presented.

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