A joint re-analysis of NIRISS, NIRSpec, and MIRI spectra of K2-18 b finds no statistically significant evidence for DMS or DMDS, with ethane offering an equally good fit.
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Insufficient evidence for DMS and DMDS in the atmosphere of K2-18 b. From a joint analysis of JWST NIRISS, NIRSpec, and MIRI observations
A joint re-analysis of NIRISS, NIRSpec, and MIRI spectra of K2-18 b finds no statistically significant evidence for DMS or DMDS, with ethane offering an equally good fit.