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astro-ph.EP2025
A Dichotomy of the Mass-Metallicity Relation of Exoplanetary Atmospheres Demarcated by their Birthplace
Kazumasa Ohno, Masahiro Ikoma, Satoshi Okuzumi +1
Atmospheric observations by JWST raise a growing evidence that atmospheric metallicity exhibits an anti-correlation with masses of giant exoplanets. While such a trend was anticipa…
astro-ph.EP2025
Monosilane Worlds: Sub-Neptunes with Atmospheres Shaped by Reduced Magma Oceans
Yuichi Ito, Tadahiro Kimura, Kazumasa Ohno +2
High-precision infrared spectroscopic measurements now enable detailed characterization of sub-Neptune atmospheres, potentially providing constraints on their interiors. Motivated…