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Evidence item

The paper characterizes the H2S signal as a weak hint subject to retrieval degeneracies. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 24416

Source: A Clearer View of HAT-P-1 b: JWST NIRSpec G395H Reveals Water, Carbon Dioxide, and Possibly Hydrogen Sulfide · locator {} · excerpt hash sha256:dd4b60b85d1780b648819fc441490666039e53e74e474adb89e1ced530110cc0

Exact excerpt
Although the retrievals do not distinguish decisively among cloud prescriptions, the molecular feature amplitudes observed across the HST and JWST wavelength range rule out a strongly cloud-muted terminator. While the present data provides strong constraints on H2O and CO2 and a weak hint of sulfur chemistry via H2S, the interpretation of the latter remains subject to limitations of degeneracies in retrievals among clouds, abundances, thermal structure, and overlapping opacities.

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