Ten new eclipsing WD + cool M-dwarf binaries found in TESS data via a targeted minute-scale eclipse search, increasing the TESS-discovered sample by an order of magnitude.
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8 Pith papers cite this work, alongside 28 external citations. Polarity classification is still indexing.
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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.
Most high-priority Habitable Worlds Observatory targets have measured stellar activity and rotation, but long-term magnetic activity cycles are known for fewer than 20% of them.
Accounting for stellar and orbital uncertainties shows that predicted eclipse depths for bare-rock models of rocky exoplanets carry substantial uncertainty comparable to measurements, establishing a fundamental precision limit for atmospheric and compositional inferences.
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.
Pandora simulations recover stellar photospheric temperatures to ~30 K with no bias and reduce simple spot contamination from 100-1000 ppm to under 10 ppm, but complex spot geometries leave ~1000 ppm residuals.
Proposes a two-generation Nautilus observatory program using time-series spectroscopy of transiting systems and stellar monitoring to benchmark models of stellar photospheric heterogeneities for exoplanet transmission spectroscopy.
Proposes the Nautilus observatory concept for time-resolved flare spectroscopy on GKM stars to create empirical spectral templates for improved planetary habitability simulations.
citing papers explorer
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A Previously Underexplored Regime in TESS: Minute-Scale Eclipses Reveal Ten White Dwarf-Cool M-Dwarf Binaries
Ten new eclipsing WD + cool M-dwarf binaries found in TESS data via a targeted minute-scale eclipse search, increasing the TESS-discovered sample by an order of magnitude.
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KRONOS I: The $1{-}2.8\mu$m JWST Transmission Spectrum of the 23 Myr V1298 Tau c
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.
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HWO Target Stars and Systems: Activity and Rotation Catalog (ARC) of Potential Target Stars for the Habitable Worlds Observatory
Most high-priority Habitable Worlds Observatory targets have measured stellar activity and rotation, but long-term magnetic activity cycles are known for fewer than 20% of them.
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Uniform Reinterpretation of Rocky Exoplanet Secondary Eclipse Observations and the Impact of Stellar and Orbital Uncertainties
Accounting for stellar and orbital uncertainties shows that predicted eclipse depths for bare-rock models of rocky exoplanets carry substantial uncertainty comparable to measurements, establishing a fundamental precision limit for atmospheric and compositional inferences.
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The HST/WFC3 Transmission Spectrum of AU Mic b Part I: An Atmosphere Obscured by Contamination and Systematics
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.
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NASA's Pandora SmallSat Mission: Simulating the Impact of Stellar Photospheric Heterogeneity and Its Correction
Pandora simulations recover stellar photospheric temperatures to ~30 K with no bias and reduce simple spot contamination from 100-1000 ppm to under 10 ppm, but complex spot geometries leave ~1000 ppm residuals.
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Mapping Stellar Heterogeneities with the Nautilus Space Observatory
Proposes a two-generation Nautilus observatory program using time-series spectroscopy of transiting systems and stellar monitoring to benchmark models of stellar photospheric heterogeneities for exoplanet transmission spectroscopy.
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Nautilus: Fast Time-Resolved Spectroscopy of GKM Stellar Flares and Their Implications for Planetary Habitability
Proposes the Nautilus observatory concept for time-resolved flare spectroscopy on GKM stars to create empirical spectral templates for improved planetary habitability simulations.