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SUMMARY:The Past\, Present\, and Future of Supernova Cosmology - Robert Ki
 rshner\, Harvard
DTSTART:20101021T153000Z
DTEND:20101021T163000Z
UID:TALK25811@talks.cam.ac.uk
CONTACT:scott chapman
DESCRIPTION:Supernovae have been developed into a powerful tool for cosmol
 ogical\ndistance measurements.  In the (recent) past\, supernovae showed t
 hat we live\nin an accelerating universe.  In the present supernovae are a
  key element in\nconstraining the properties of dark energy.  While the pr
 esent data are\nconsistent with a cosmological constant\, today's constrai
 nts are not very\nrigorous. As a community\, we are beginning to learn whe
 re the systematic\nproblems arise in tightening those constraints and impr
 oving our knowledge.\nI'll review some of the problems we have encountered
  with dust absorption\nand I will show some promising developments using o
 bservations in the\nnear-infrared that may mitigate these difficulties.  T
 he future will not be\nas easy as the past\, but the conclusion of program
 s like ESSENCE\, Supernova\nLegacy Survey and the Sloan Supernova Survey p
 lus the Palomar Transient\nFactory\, Pan-STARRS\, the Dark Energy Survey\,
  and WFIRST all promise real\nprogress in the years ahead.\n
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4:00 pm)
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