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.
and Meadows, Victoria S
2 Pith papers cite this work. Polarity classification is still indexing.
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Climate states on exoplanets with the same atmospheric composition create different reflectance spectra, changing the detectability of atmospheric features and biosignatures, with seasonal variations on high-obliquity worlds adding time-dependent signals.
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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Impact of Climate States and Seasons on Future Exo-Earth Observations
Climate states on exoplanets with the same atmospheric composition create different reflectance spectra, changing the detectability of atmospheric features and biosignatures, with seasonal variations on high-obliquity worlds adding time-dependent signals.