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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20140410T103000
DTEND;TZID=Atlantic/Canary:20140410T113000
UID:iactalks-630
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/630
CREATED:2014-04-10T10:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Simulating cosmic reionization 
DESCRIPTION:Simulating cosmic reionization \nDr. Andreas Pawlik\n\nThe firs
 t galaxies are thought to have started the reionization of the  Universe, 
 that is the transformation of the cosmic hydrogen from its  initial neutra
 l to its present ionized state that occurred during the  first few hundred
  million years after the Big Bang. I will review the  key physics of reion
 ization by the first galaxies and highlight the  computational challenges 
 of simulating the relevant processes, primarily  the transport of ionizing
  photons. I will introduce the radiative  transfer method TRAPHIC that we 
 have developed to address these  challenges. I will discuss the applicatio
 n of TRAPHIC in zoomed  cosmological simulations of the first galaxies and
  evaluate the  prospects for observing these galaxies with the upcoming Ja
 mes Webb  Space Telescope. I will conclude by presenting first results fro
 m  Aurora, a new suite of simulations to investigate reionization and  gal
 axy formation across a large range of scales.
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