The Color Distributions of Globular Clusters in Virgo Elliptical Galaxies

Details The Color Distributions of Globular Clusters in Virgo Elliptical Galaxies The Color Distributions of Globular Clusters in Virgo Elliptical Galaxies

1999-02-10

arxiv.org/abs/astro-ph/9902164v2

Astrophys.J. 515 (1999) L13-L16

Astronomy and Astrophysics

Astrophysics

5 pages, 1 figure, to be published in ApJ Letters Corrections to introduction

Scientific paper

10.1086/311965

This Letter presents the color distributions of the globular cluster (GC) systems of 12 Virgo elliptical galaxies, measured using data from the Hubble Space Telescope. Bright galaxies with large numbers of detected GC's show two distinct cluster populations with mean V-I colors near 1.01 and 1.26. The GC population of M86 is a clear exception; its color distribution shows a single sharp peak near V-I=1.03. The absence of the red population in this galaxy, and the consistency of the peak colors in the others, may be indications of the origins of the two populations found in most bright elliptical galaxies.

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