First mid-IR transmission spectrum of TOI-270 d shows molecular features with Bayesian evidence ln B = 2.8-5.3 and identifies candidate trace molecules from an agnostic search of 203 species.
Hints of a Sulfur-rich Atmosphere around the 1.6 R <sub>⊕</sub> Super-Earth L98-59 d from JWST NIRspec G395H Transmission Spectroscopy
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JWST NIRISS/SOSS data yield a transmission spectrum of the 23 Myr V1298 Tau c showing H2O absorption and an atmospheric metallicity of 14.8^{+56}_{-12} times solar, lower than mature planets of similar mass.
JWST NIRSpec observations of LTT 1445 A b yield a featureless 3-5μm transmission spectrum, limiting atmospheric metallicity to ≳350× solar under grey-cloud models.
Adapts and benchmarks a 1D plume model to predict volcanic plume heights across varied exoplanet gravities, compositions, and stratifications, identifying detectable low-pressure penetration regimes.
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