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Faint dwarf galaxies in nearby clusters
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/5
Besides giant elliptical galaxies, a number of low-mass stellar systems inhabit the cores of galaxy clusters, such as dwarf elliptical galaxies (dEs/dSphs), ultra-compact dwarf galaxies (UCDs), and gl...
Diffuse light and galaxy interactions in the core of nearby clusters
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/28
The kinematics of the diffuse light in the densest regions of the nearby clusters can be unmasked using the planetary nebulae (PNs) as probes of the stellar motions.