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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-4685
DTSTART:20171116T213000Z
DTEND:20171116T230000Z
DTSTAMP:20260419T021753Z
LAST-MODIFIED:20171106T163031Z
LOCATION:4421 Sterling Hall\, Coffee and cookies 3:30 pm\, Talk begins
  at 3:45 pm
SUMMARY:CHILES\, the COSMOS HI Large Extragalactic Survey\, Astronomy 
 Department Whitford Lecturer\, Jacqueline VanGorkom\, Columbia Univers
 ity
DESCRIPTION:Our understanding of the growth of large scale structure h
 as advanced enormously over the last decade\, thanks to an impressive 
 synergy between theoretical and observational efforts. The formation a
 nd evolution of galaxies within these structures is less well understo
 od and especially the details of the gas physics during accretion and 
 outflow are still controversial. <br>
\n<br>
\nNeutral hydrogen images
  can help distinguish between growth by mergers and accretion of gas\,
  and between inflow and outflow.  While these images have taught us a 
 lot about galaxy evolution in the local universe very few HI imaging o
 bservations have been done beyond z=0.1.  The recent upgrade of the VL
 A has now made it possible to go as far as z=0.5. CHILES the COSMOS HI
  Large Extragalactic Survey\, is an ongoing pencil beam survey of one 
 pointing in the COSMOS field covering the range of 0<z<0.5. I will dis
 cuss the goals\, challenges and the very first results of this survey.
 <br>
\n
URL:https://www.physics.wisc.edu/events/?id=4685
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