From Mineral Clouds to Magnetic Field: Groundbreaking Discoveries in Exoplanetary Atmospheres with JWST

I will present several recent discoveries related to exoplanetary atmospheres, made possible by the combination of cutting-edge observations from the James Webb Space Telescope (JWST) and an advanced multidimesnsional modeling technique. Our methodology integrates both forward (theoretically-driven) and retrieval (observationally-driven) approaches, combining theoretical, statistical, and numerical models with mapping techniques to constrain the fundamental properties of exoplanetary atmospheres, such as their chemical composition, temperature structure, dynamics, and overall climate.The discoveries I will highlight include the first detection of mineral clouds on the nightside of an exoplanet, the first inference of an exoplanet’s magnetic field, and the first spatially resolved dayside structure of an exoplanetary atmosphere. These breakthrough results mark significant advancements in our understanding of exoplanet atmospheres.