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SUMMARY:Probing reionization with radiative transfer simulations - Shikhar
  Asthana (University of Cambridge)
DTSTART:20230426T121500Z
DTEND:20230426T124000Z
UID:TALK200137@talks.cam.ac.uk
CONTACT:Hannah Uebler
DESCRIPTION:The ionization of neutral hydrogen at z>6 is the last major ph
 ase-transition of the Universe\, and is known as the Epoch of Reionization
 . Over the past decade\, research into reionization has exploded with impr
 oved radiative transfer simulations and most recently the flood of data fr
 om JWST. To this end\, we use ATON\, a program implemented on GPUs\, built
  to solve the radiative transfer equation in a cosmological volume. Our re
 cent work involves updating ATON to include helium and multiple frequency 
 bins\, enabling us to simulate a wide range of reionization histories\, an
 d source models extending from z=15-20 to the end of reionization at z=5. 
 In this talk\, I will discuss the findings from our simulations and the im
 plications in the context of recent JWST observations.
LOCATION:The Hoyle Lecture Theatre + Zoom 
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