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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3059
DTSTART:20130905T203000Z
DTEND:20130905T220000Z
DTSTAMP:20260419T212036Z
LAST-MODIFIED:20130903T181952Z
LOCATION:4421 Sterling Hall
SUMMARY:Massive Galaxies in the Early Universe: New Insights into Gala
 xy Formation and Evolution\, Special Talk\, Danilo Marchesini\, Tufts 
 University
DESCRIPTION:In the past decade\, our understanding of the galaxy popul
 ation in the first 4 billion years of cosmic history (z&gt\;2) has imp
 roved significantly\, thanks to the increasing ability to construct co
 mprehensive snapshots (in time) from z=4 (when the universe was ~1.5 b
 illion years old) to z=2. I will summarize our current knowledge of th
 e (massive) galaxy population at z=2-4\, with an emphasis on the resul
 ts from the NEWFIRM Medium-Band Survey\, a large NOAO/Yale program whi
 ch uses medium band-width filters in the near-infrared to obtain well-
 sampled spectral energy distributions and high-quality photometric red
 shifts at z&gt\;1.5 over 0.5 square degree. I will present recent resu
 lts from the UltraVISTA and NMBS-II\, and preliminary results from on-
 going follow-up spectroscopic programs.
URL:https://www.physics.wisc.edu/events/?id=3059
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