Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..328c&link_type=abstract
In: Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 J
Astronomy and Astrophysics
Astronomy
Galaxy Clusters
Scientific paper
Although they are the faintest galaxies in clusters dwarf galaxies especially dwarf ellipticals are a key component for understanding the evolution of cluster galaxies as well as clusters themselves. These dwarfs dominate clusters in number and potentially contain a significant fraction of the cluster's dark matter. They are also potentially the remnants of larger infalling Butcher-Oemler galaxies stripped of their mass through dynamical cluster processes. We will present observational results that show that dwarfs in nearby clusters could be the remnants of much of early galaxy formation in clusters and discuss how these objects can account for many observed properties of cluster such as intergalactic light.
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