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SUMMARY:Lyman Continuum Leakage in the Local Universe - Claus Leitherer (S
 TSCi)
DTSTART:20141009T153000Z
DTEND:20141009T163000Z
UID:TALK55144@talks.cam.ac.uk
CONTACT:Simon Hodgkin
DESCRIPTION:Star-forming galaxies are viable candidates for providing the 
 ionizing photon supply accounting for the reionization of the early univer
 se. However\, direct determination of the fraction of ionizing photons tha
 t can escape the optically thick galaxy ISM is challenging. I will discuss
  Lyman continuum observations obtained in nearby galaxies which take advan
 tage of a new capability of HST's Cosmic Origins Spectrograph. The derived
  photon leakages are compared to values found at high redshift and discuss
 ed in the context of cosmological models.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4:00 pm)
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