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1999AJ....118.1506B - Astron. J., 118, 1506-1525 (1999/October-0)
Globular clusters in dense clusters of galaxies.
BLAKESLEE J.P.
Abstract (from CDS):
The discussion builds on an earlier suggestion that the GCs (both metal-rich and metal-poor) around the central cluster galaxies were assembled at early times, and that star formation halted prematurely in the central galaxies at the epoch of cluster collapse. It is argued that this ``BCG saturation'' model is consistent with recent simulations of BCG/cluster formation. The subsequent addition of luminous material to the BCG through cluster dynamical evolution can cause SN to decrease while conserving ηGC, but both theory and observations indicate that the timescale for this is long. However, there may be some evidence of it in the present sample and elsewhere. Finally, the GC luminosity function measurements are used to constrain the relative distances of the three clusters that make up the Hercules supercluster.
Abstract Copyright: ∼
Journal keyword(s): Galaxies: Clusters: General - Galaxies: Elliptical and Lenticular, cD - galaxies: star clusters - globular clusters: general
Simbad objects: 14
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