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.
Title resolution pending
8 Pith papers cite this work. Polarity classification is still indexing.
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2026 8representative citing papers
Spectroscopic monitoring detects phase-locked flares to Proxima d and flare-intensity modulation by Proxima b, producing a -16 G polar field estimate for the inner planet via Poynting-flux modeling.
The transmission spectrum of AU Mic b is dominated by the transit light source effect from stellar spots, yielding only weak atmospheric constraints with a preferred scale height below 185 km.
Interior structure models show 28 of 34 cold super-puffs are consistent with core accretion while six require non-standard explanations such as impacts or exo-rings.
Validation of a 135 Myr, 3.6 R_E transiting planet with aligned obliquity and TTV evidence for a near-resonant companion.
CHEOPS photometry improves radii for V1298 Tau b, c, and d, producing revised densities of 0.06-0.23 g cm^{-3} that indicate differential atmospheric evolution and no requirement for past dynamical excitation.
Hydrogen-silicate miscibility stores hydrogen in sub-Neptune interiors, resupplies escaping envelopes, delays contraction, matches young-planet observations, and enables a population test requiring 70-100 targets under 100 Myr.
The Nautilus Space Observatory white paper outlines four science objectives for tracking planetary evolution timescales, atmospheric mass loss, mean molecular weight and C/O changes, and helium-dominated worlds using proposed high-resolution, broad-wavelength telescope capabilities.
citing papers explorer
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CHEOPS observations of V1298 Tau: updated planetary densities and implications on the early evolution of the young system
CHEOPS photometry improves radii for V1298 Tau b, c, and d, producing revised densities of 0.06-0.23 g cm^{-3} that indicate differential atmospheric evolution and no requirement for past dynamical excitation.