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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-2790
DTSTART:20120913T203000Z
DTEND:20120913T220000Z
DTSTAMP:20260420T034837Z
LAST-MODIFIED:20120912T144942Z
LOCATION:4421 Sterling Hall
SUMMARY:Large-Scale Surveys of Star Formation in the Milky Way\, Astro
 nomy Colloquium\, Peter Barnes\, University of Florida
DESCRIPTION:The formation of massive stars and star clusters is still 
 poorly understood\, despite its importance in cosmology\, ecology of t
 he ISM\, and stellar demographics. We still debate such basic question
 s as the main formation mechanism and the timescales. However\, a weal
 th of data from several new surveys promises to transform our understa
 nding of this process. I will present background and new results from 
 two large-scale surveys of molecular gas and star formation content of
  the Milky Way's 4th quadrant. CHaMP is a multi-wavelength\, sensitive
 \, unbiased\, and uniform study of all massive star formation sites at
  sub-parsec resolution within a 20x6 degree window in Vela\, Carina\, 
 &amp\;amp\; Centaurus\, including both the cold molecular gas and warm
 er areas heated by embedded young star clusters. The CHaMP clouds show
  a range of unexpected but key properties that shed new light on molec
 ular cloud evolution and star cluster formation. ThrUMMS completely ma
 ps the remaining 60x1 portion of the 4th quadrant in 12CO\, 13CO\, C18
 O\, and CN at arcminute- (ie\, parsec-scale) resolution\, and will be 
 a key tool for obtaining distances to structures revealed by GLIMPSE\,
  Hi-GAL\, and many other surveys\, as well as characterizing the physi
 cs of GMCs in more detail than possible previously. Both surveys featu
 re freely downloadable image &amp\;amp\; data files for custom analysi
 s and other applications.
URL:https://www.physics.wisc.edu/events/?id=2790
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