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OATS-DAUT SEMINAR
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Speaker: Tiziano Valentinuzzi (Univ. of Padova, Italy)
Title: Massive compact galaxies in local and high-z galaxy clusters
Date: Wednesday, April 21st, 2010
Time: 12:00
Venue: Villa Bazzoni
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Abstract: Massive quiescent galaxies at z>1 have been found to have small physical
sizes, hence to be superdense. We search for superdense massive galaxies in
the WIde-field Nearby Galaxy-cluster Survey (WINGS) of X-ray selected galaxy
clusters at 0.042 study. In contrast, there is strong evidence
for a large evolution in radius for the most massive galaxies with
M*>4x10^11Msol compared to similarly massive galaxies in WINGS, i.e. the
BCGs.
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contact: Andrea Biviano (OATS)