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PRODID:UW-Physics-TWaP
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UID:UW-Physics-Event-2955
DTSTART:20130221T153000
DTEND:20130221T170000
LOCATION:4421 Sterling Hall
SUMMARY:"Evolution of Galaxy Populations in the Most Distant Galaxy Clusters"\, Astronomy Colloquium\, Mark Brodwin\, University of Missouri- Kansas City
DESCRIPTION:I will describe the emerging evidence for an epoch of significant growth of cluster galaxies at z ~ 1.5\, about 10 billion years in the past.  This evidence rules out the (overly) simplistic galaxy formation models that seem to fit the data at later times (ie. at z < 1).  New measurements of rapid evolution in a number of critical probes of the growth of cluster galaxies aEuro" including a census of their stars\, the colors of those stars\, and the rates of star formation\, mergers and black hole activity aEuro" all suggest the z ~ 1.5 era is a very active one in the formation and assembly of massive cluster galaxies.
URL:http://www.physics.wisc.edu/twap/view.php?id=2955
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