Hydrogen, helium and sodium in the atmpshere of a Saturn-like exoplanet. The study: “The GAPS programme at TNG. LXIII. Photo-evaporating puzzle: Exploring the enigmatic nature of TOI-5398 b’s atmospheric signal” of M. d’Arpa (INAF-OAPA, UNIPA) appeared on A&A
The characterization of exoplanetary atmospheres is one of the most active research fields in modern astrophysics, made possible by the development of dedicated instruments and techniques. The basic idea of this research is quite simple: obtaining spectroscopic observations of stars with planets during the transit of the planet in front of its star, which is the moment when part of
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