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SUMMARY:Galactic Plane HI Surveys\, Real and Imagined - Kevin Douglas (Uni
 versity of Exeter)
DTSTART:20091124T163000Z
DTEND:20091124T173000Z
UID:TALK21268@talks.cam.ac.uk
CONTACT:Sally Hales
DESCRIPTION:As the number of interstellar tracers continues to grow\, the 
 21cm spectral line of neutral hydrogen (HI) remains one of the primary wid
 e-scale delineators of galactic structure.  I will briefly review the rebi
 rth of galactic plane HI surveys that began in the mid-1990s\, before an i
 n-depth overview of more recent efforts to image the galactic HI distribut
 ion with the Arecibo L-band Feed Array\, including the recently completed 
 I-GALFA survey.  Next I will describe a project undertaken at the Universi
 ty of Exeter which involves creating a "synthetic" galactic plane survey u
 sing computational simulations of a Milky-Way-type galaxy.  I will close w
 ith an overview of the planned galactic HI (and OH) projects that will com
 prise GASKAP\, a Survey Science Project to be carried out with the Austral
 ia Square Kilometre Array Pathfinder.
LOCATION:Martin Ryle Seminar Room\, Kavli Building
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