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SUMMARY:Latest results building upon slitless spectroscopic surveys with J
 WST - Dr Jorryt Matthee
DTSTART:20250529T150000Z
DTEND:20250529T160000Z
UID:TALK232675@talks.cam.ac.uk
CONTACT:Jan Scholtz
DESCRIPTION:I will present results on the properties of faint galaxies and
  AGN in the early Universe\, building upon samples identified using Wide F
 ield Slitless Spectroscopy with NIRCam on the James Webb Space Telescope (
 JWST). This mode effectively turns JWST into an efficient redshift machine
  ideal to map out galaxy over-density. In my talk\, I will focus on two to
 pics: 1) The impact of galaxies and AGN on the reionization of the Univers
 e\, directly measured by mapping out the correlation between galaxies and 
 ionized regions with quasar and galaxy transmission spectroscopy\, and 2) 
 The nature of broad Hα line-selected AGN (the so-called Little Red Dots) 
 that JWST has uncovered in the first few Gyr\, including new results based
  on the deep NIRCam grism spectroscopy of their large-scale environments\,
  deep high resolution spectroscopy unveiling the prevalence of dense absor
 bing gas and resolved Lyman-alpha mapping of the circumgalactic medium wit
 h VLT/MUSE. Finally\, I will synthesize what these observations are learni
 ng us in the context of galaxy - SMBH co-evolution\, SMBH formation and th
 eir role in cosmic reionization.
LOCATION:Hoyle Lecture Theatre\, Institute of Astronomy
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