Different UV spectra for TRAPPIST-1 produce order-of-magnitude variations in CH4, CO, O2, and O3 abundances for Archean-analog TRAPPIST-1 e atmospheres, generating photochemical degeneracies and potential false-positive biosignatures.
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4 Pith papers cite this work, alongside 451 external citations. Polarity classification is still indexing.
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Young M dwarf flares exert greater chemical stress on primordial exo-Earth atmospheres than previous models, with potential for lasting changes in mixing ratios especially for low-abundance species.
The paper reports the design, commissioning on two runs, and measured performance of proto-Lightspeed, a seeing-limited high-speed imager delivering sub-electron read noise on the Magellan Clay Telescope.
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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Ultraviolet-Driven Atmospheric Degeneracies Challenge Conventional Biosignature Frameworks for Terrestrial Planets with Ultracool M Dwarf Hosts: An Archean-Analog TRAPPIST-1 e Case Study
Different UV spectra for TRAPPIST-1 produce order-of-magnitude variations in CH4, CO, O2, and O3 abundances for Archean-analog TRAPPIST-1 e atmospheres, generating photochemical degeneracies and potential false-positive biosignatures.
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Stellar flare-driven evolution of primordial early exo-Earth atmospheres: Insights from a Young M Dwarf Flare model
Young M dwarf flares exert greater chemical stress on primordial exo-Earth atmospheres than previous models, with potential for lasting changes in mixing ratios especially for low-abundance species.
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proto-Lightspeed: a high-speed, ultra-low read noise imager on the Magellan Clay Telescope
The paper reports the design, commissioning on two runs, and measured performance of proto-Lightspeed, a seeing-limited high-speed imager delivering sub-electron read noise on the Magellan Clay Telescope.
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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.