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astro-ph.EP2024
The PEPSI Exoplanet Transit Survey (PETS). V: New Na D transmission spectra indicate a quieter atmosphere on HD 189733b
E. Keles, S. Czesla, K. Poppenhaeger +23
Absorption lines from exoplanet atmospheres observed in transmission allow us to study atmospheric characteristics such as winds. We present a new high-resolution transit time-seri…
astro-ph.EP2024
Strong fractionation of deuterium and helium in sub-Neptune atmospheres along the radius valley
Collin Cherubim, Robin Wordsworth, Renyu Hu +1
We simulate atmospheric fractionation in escaping planetary atmospheres using IsoFATE, a new open-source numerical model. We expand the parameter space studied previously to planet…