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arXiv:0711.4542 (astro-ph)
[Submitted on 28 Nov 2007]

Title:Are Globular Clusters the Remnant Nuclei of Progenitor Disk Galaxies?

Authors:Torsten Boeker
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Abstract: The globular cluster system of a typical spheroidal galaxy makes up about 0.25% of the total galaxy mass (McLaughlin 1999). This is roughly the same mass fraction as contained in the nuclear star clus- ter (or stellar nucleus) present in most nearby low-mass galaxies. Motivated by this "coincidence", this Letter discusses a scenario in which globular clusters of present-day galaxies are the surviving nuclei of the dwarf galaxies that - according to the hierarchical merging paradigm of galaxy forma- tion - constitute the "building blocks" of present-day massive galaxies. This scenario, which was first suggested by Freeman (1993), has become more attractive recently in the light of studies that demonstrate a complex star formation history in a number of massive globular clusters.
Comments: 5 pages, no figures. Accepted by ApJ Letters
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:0711.4542 [astro-ph]
  (or arXiv:0711.4542v1 [astro-ph] for this version)
  https://doi.org/10.48550/arXiv.0711.4542
Related DOI: https://doi.org/10.1086/527033

Submission history

From: Torsten Böker [view email]
[v1] Wed, 28 Nov 2007 17:31:04 UTC (18 KB)
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