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SUMMARY:Exoplanet Clouds and Chemistry: A WASP-17b case study - Hannah Wak
 eford
DTSTART:20250320T160000Z
DTEND:20250320T170000Z
UID:TALK226228@talks.cam.ac.uk
CONTACT:Matthew Grayling
DESCRIPTION:In the short time since the start of JWST’s science operatio
 ns\, it has caused a paradigm shift in the information and understanding o
 f giant planet atmospheres. The spectroscopic IR capabilities have reveale
 d absorption from H2O\, CO2\, and CO with exquisite precision\, provided t
 he first look at elusive methane absorption\, and shown a diversity of pho
 tochemistry and disequilibrium processes at play in giant planet atmospher
 es. Previously obscuring aerosols that plagued UV-optical spectra are reve
 aling themselves via distinct absorption and emission in the mid-IR confir
 ming for the first time in irradiated exoplanets theoretical predictions o
 f cloud formation. I will present a case study of one such planet which is
  revealing the roles of clouds and chemistry in exoplanet atmospheres and 
 the feedback imparted between composition\, dynamics\, and detectability.
LOCATION:Hoyle Lecture Theatre\, Institute of Astronomy
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