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most citedA second-generation star in a relic dwarf galaxy

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astro-ph.EP2026

Upper Limits on Planet-Induced GHz Radio Emission from Inactive M Dwarfs

Jackie Villadsen, Carter Russell, Luna Guerrero +9

Nearby short-period exoplanet systems may produce detectable stellar radio emission due to sub-Alfvénic star-planet interaction (SPI), but there are no confirmed cases yet. We tar…

astro-ph.EP2026

Maximum Lifetime of the Vegetative Biosphere

Jacob Haqq-Misra, Eric Wolf

We use a three-dimensional model to calculate steady-state climates at various intervals in Earth's future, across a parameter space of increasing insolation and decreasing CO

astro-ph.EP2026

Stellar flare-driven evolution of primordial early exo-Earth atmospheres: Insights from a Young M Dwarf Flare model

E. Mamonova, K. Herbst, V. Kofman +4

Context. M dwarfs are key targets for terrestrial exoplanet studies, with prospects for atmospheric spectroscopy. However, strong stellar magnetic activity and frequent flaring req…

astro-ph.EP2026

Thermal Segregation and Reddening in Europa's Double Ridges

Kya C. Sorli, Paul O. Hayne, Lucas Lange +1

Europa's double ridges often display lower albedo and redder color than their surroundings. Their unique topography may cause sublimation-driven darkening due to illumination and s…

astro-ph.EP2026

Disentangling auroral, cloud and magnetic spot driven variability in three early L-dwarfs with HST/WFC3

C. O'Toole, J. M. Vos, E. N. Nasedkin +5

Variability monitoring provides an unparalleled insight into the atmospheric processes of brown dwarfs and directly imaged exo-planets. Inhomogeneous clouds, aurorae and magnetic s…

astro-ph.EP2026

The Effect of Planetary Rotation Period on Clouds in a Global Climate Model with a Bin Microphysics Scheme

Huanzhou Yang, Eric T. Wolf, Cheng-Cheng Liu +3

Clouds are the largest source of uncertainty in climate simulations. For exoplanets, cloud simulation is particularly challenging because of the lack of observational data to tune…