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astro-ph.EP2026
The effect of the atmospheric C/O ratio on interiors of hot Jupiters
Esther van Dijk, Yamila Miguel, Paul Mollière
The atmosphere is the outer boundary of a gas giant exoplanet's interior. Therefore, compositional changes in the atmosphere can affect interior inferences. Typically, only metalli…
astro-ph.EP2026★ 1 cited
Alkali lines at extreme densities and their impact on giant planet interior structure
Louis Siebenaler, Nicole F. Allard, Esther van Dijk +1
Alkali lines, in particular the sodium Na (5891, 5897) and potassium K (7667, 7701) resonance doublets, are dominant opacity sources in giant planets over a wid…
astro-ph.EP2026
The Hot Neptune Initiative (HONEI) III. An ultra-hot super Neptune orbiting the metal-rich subgiant star TOI-5646: the largest host for a desert dweller
L. Mancini, F. Manni, D. Kubyshkina +25
We report the confirmation of the TESS transiting-planet candidate orbiting the metal-rich F8\,IV-V subgiant star TOI-5646 (V=11.38 mag; T=6136 K). The planetary nature of TOI-5646…