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Tidal Demise: The Evolution and Fate of a Hypothetical Venus Moon
Stephen R. Kane, Franck Selsis, Jeremy Leconte +1
Venus possesses no natural satellite, raising the question whether a formed moon could have survived. We explore the tidal evolution of a Venus-moon system, coupling Venus's spin t…
A 3D picture of moist-convection inhibition in hydrogen-rich atmospheres: Implications for K2-18 b
Jérémy Leconte, Aymeric Spiga, Noé Clément +9
While small, Neptune-like planets are among the most abundant exoplanets, our understanding of their atmospheric structure and dynamics remains sparse. In particular, many unknowns…
A cool runaway greenhouse without surface magma ocean
Franck Selsis, Jérémy Leconte, Martin Turbet +2
Water vapour atmospheres with content equivalent to the Earth's oceans, resulting from impacts or a high insolation, were found to yield a surface magma ocean. This was, however, a…
3D Global climate model of an exo-Venus: a modern Venus-like atmosphere for the nearby super-Earth LP 890-9 c
Diogo Quirino, Gabriella Gilli, Lisa Kaltenegger +6
The recently discovered super-Earth LP 890-9 c is an intriguing target for atmospheric studies as it transits a nearby, low-activity late-type M-dwarf star at the inner edge of the…
Water Condensation Zones around Main Sequence Stars
Martin Turbet, Thomas J. Fauchez, Jeremy Leconte +10
Understanding the set of conditions that allow rocky planets to have liquid water on their surface -- in the form of lakes, seas or oceans -- is a major scientific step to determin…
ATMOSPHERIX: II- Characterising exoplanet atmospheres through transmission spectroscopy with SPIRou
F. Debras, B. Klein, J. -F. Donati +26
In a companion paper, we introduced a publicly-available pipeline to characterise exoplanet atmospheres through high-resolution spectroscopy. In this paper, we use this pipeline to…