3D modelling of the impact of stellar activity on tidally locked terrestrial exoplanets: atmospheric composition and habitability

RJ Ridgway, M Zamyatina, NJ Mayne… - Monthly Notices of …, 2023 - academic.oup.com
Stellar flares present challenges to the potential habitability of terrestrial planets orbiting M
dwarf stars through inducing changes in the atmospheric composition and irradiating the …

Stratospheric dayside-to-nightside circulation drives the 3D ozone distribution on synchronously rotating rocky exoplanets

M Braam, PI Palmer, L Decin, M Cohen… - Monthly Notices of the …, 2023 - academic.oup.com
Determining the habitability and interpreting future atmospheric observations of exoplanets
requires understanding the atmospheric dynamics and chemistry from a 3D perspective …

Degenerate Interpretations of O3 Spectral Features in Exoplanet Atmosphere Observations Due to Stellar UV Uncertainties: A 3D Case Study with TRAPPIST-1 e

GJ Cooke, DR Marsh, C Walsh… - The Astrophysical …, 2023 - iopscience.iop.org
TRAPPIST-1 e is a potentially habitable terrestrial exoplanet orbiting an ultracool M dwarf
star and is a key target for observations with the James Webb Space Telescope. One …

Coupled atmospheric chemistry, radiation, and dynamics of an exoplanet generate self-sustained oscillations

Y Luo, Y Hu, J Yang, M Zhang… - Proceedings of the …, 2023 - National Acad Sciences
Nonlinearity in photochemical systems is known to allow self-sustained oscillations, but they
have received little attention in studies of planetary atmospheres. Here, we present a …

Photochemical and radiation transport model for extensive use (PROTEUS)

Y Nakamura, N Terada, S Koyama, T Yoshida… - Earth, Planets and …, 2023 - Springer
We introduce a new flexible one-dimensional photochemical model named Photochemical
and RadiatiOn Transport model for Extensive USe (PROTEUS), which consists of a Python …

Sporadic Spin-orbit Variations in Compact Multiplanet Systems and Their Influence on Exoplanet Climate

H Chen, G Li, A Paradise… - The Astrophysical …, 2023 - iopscience.iop.org
Climate modeling has shown that tidally influenced terrestrial exoplanets, particularly those
orbiting M-dwarfs, have unique atmospheric dynamics and surface conditions that may …

Simulations of idealised 3D atmospheric flows on terrestrial planets using LFRic-Atmosphere

DE Sergeev, NJ Mayne, T Bendall… - Geoscientific Model …, 2023 - gmd.copernicus.org
Abstract We demonstrate that LFRic-Atmosphere, a model built using the Met Office's
GungHo dynamical core, is able to reproduce idealised large-scale atmospheric circulation …

The impact of ozone on Earth-like exoplanet climate dynamics: the case of Proxima Centauri b

P De Luca, M Braam, TD Komacek… - Monthly Notices of the …, 2024 - academic.oup.com
The emergence of the JWST and the development of other advanced observatories (eg
ELTs, LIFE, and HWO) marks a pivotal moment in the quest to characterize the atmospheres …

The effect of lightning on the atmospheric chemistry of exoplanets and potential biosignatures

P Barth, EE Stüeken, C Helling… - Astronomy & …, 2024 - aanda.org
Context. Lightning has been suggested to play a role in triggering the occurrence of bio-
ready chemical species. Future missions such as PLATO, ARIEL, HWO, and LIFE, as well as …

The effect of a biosphere on the habitable timespan of stagnant-lid planets and implications for the atmospheric spectrum

D Höning, L Carone, P Baumeister, KL Chubb… - Astronomy and …, 2024 - aanda.org
Temperature-dependent biological productivity controls silicate weathering and thereby
extends the potential habitable timespan of Earth. Models and theoretical considerations …