A grid of non-equilibrium chemical models fit to JWST spectra of K2-18 b favors high metallicity (266x solar) and C/O > 2.1, with methane robustly detected.
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Unraveling the non-equilibrium chemistry of the temperate sub-Neptune K2-18 b
A grid of non-equilibrium chemical models fit to JWST spectra of K2-18 b favors high metallicity (266x solar) and C/O > 2.1, with methane robustly detected.