Vivien Parmentier
5 papers · Latest:
HAT-P-70b through the Eyes of MAROON-X: Constraining Elemental Abundances of Metals and Insights on Atmosphere Dynamics
MAROON-X observations of ultra-hot Jupiter HAT-P-70b reveal 14 metal species, day-to-night winds, and a nickel enrichment, highlighting the need for accurate ionization modeling.
Horizontal transport as a source of disequilibrium chemistry on the nightside of a hot exoplanet
JWST observations confirm horizontal transport on a hot Jupiter's nightside causes disequilibrium chemistry by advecting dayside species.
The Days Drag On on WASP-121 b: Interpreting its NIRISS Spectroscopic Phase Curve with General Circulation Models
This paper interprets JWST/NIRISS data for ultra-hot Jupiter WASP-121 b using 3D models, revealing model-data tension, atmospheric drag, and nightside clouds.
The tale of the 3 planets: 3D cloud feedback enhances the spectral diversity of warm Jupiters
3D cloud feedback, coupled with atmospheric circulation and radiation, explains the spectral diversity of warm Jupiters, with gravity playing a key role.
The Identification of CS2 and Evidence for Carbon-Sulfur Chemical Coupling in a Warm Giant Exoplanet Atmosphere
JWST observations of WASP-80 b reveal CS2, providing evidence for carbon-sulfur chemical coupling in warm giant exoplanet atmospheres.
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