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SUMMARY:JWST at the edge of the Universe - finding galaxies in the epoch o
 f reionization with NIRSpec - Prof. Andy Bunker (Oxford University)
DTSTART:20230525T150000Z
DTEND:20230525T160000Z
UID:TALK201049@talks.cam.ac.uk
CONTACT:107123
DESCRIPTION:Since launching on Christmas Day\, 2021\, JWST has produced sp
 ectacular views of the Universe\, both near and far. I will describe obser
 vations of some of the most distant galaxies yet through near-infrared spe
 ctroscopy with NIRSpec. With my colleagues on the  NIRSpec and NIRCam inst
 rument science teams of JWST\, we are undertaking large JADES survey to ex
 plore galaxy evolution into the epoch of reionization (the first billion y
 ears of history). We have recently spectroscopically confirmed galaxies at
  redshifts beyond 10 for the first time\, including spectacular spectrum o
 f a galaxy which unexpectedly has Lyman-alpha in emission\, as well as a s
 uggestion of non-standard elemental abundance ratios. I will discuss the i
 mplications of these recent discoveries for our understanding of galaxy ev
 olution\, and the potential role of star-forming galaxies at redshifts bey
 ond 6 in reionizing the inter-galactic medium
LOCATION:Hoyle Lecture Theatre - Details will be sent by email
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