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SUMMARY:Insights into the Epoch of Reionization from galaxies in the first
  billion years - Dr. Lily Whitler (Kavli Institute for Cosmology)
DTSTART:20251118T111500Z
DTEND:20251118T120000Z
UID:TALK236854@talks.cam.ac.uk
CONTACT:Charles Walker
DESCRIPTION:With the advent of JWST\, an unexpectedly large abundance of l
 uminous galaxies at unexpectedly high redshifts has been discovered\, pote
 ntially pointing to previously unknown factors governing early star format
 ion. Simultaneously\, deep JWST spectroscopy probing the rest-frame UV emi
 ssion of reionization-era galaxies has been providing new constraints on t
 he timeline and topology of reionization\, enabling insights into how earl
 y galaxies drove the reionization process. In this talk\, I will present t
 he UV luminosity function at z=9-15 derived from several hundred galaxies 
 identified in 160 square arcminutes of deep NIRCam imaging\, and discuss i
 mplications for early star formation\, the reionization timeline\, and ear
 ly growth of ionized bubbles. I will then discuss these results in context
  with new insights into the properties of ionized bubbles at z=9 obtained 
 from JWST constraints on Lyα emission\, demonstrating the power of simult
 aneously understanding reionization and the properties of the earliest gal
 axies.
LOCATION:Coffee area\, Battcock Centre
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