He: Upper limit
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G-B: High resolution IR | A search for helium in the atmospheres of three sub-Neptunes and a super-Earth around M-dwarfs2026, Kawauchi, Kiyoe, Narita, Norio et al. |
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CH4: Detection CO2: Upper limit Rayleigh Scattering: Detection Molecular ratios: C/O, etc...: Detection
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JWST-NIRSpec | Diversity in the haziness and chemistry of temperate sub-Neptunes2025, Pierre-Alexis Roy, Björn Benneke et al. |