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The Limits of the Primitive Equations of Dynamics for Warm, Slowly Rotating Small Neptunes and Super Earths
N. J. Mayne, B. Drummond, F. Debras +5
We present significant differences in the simulated atmospheric flow for warm, tidally-locked small Neptunes and super Earths (based on a nominal GJ 1214b) when solving the simplif…
The 3D thermal, dynamical and chemical structure of the atmosphere of HD 189733b: implications of wind-driven chemistry for the emission phase curve
Benjamin Drummond, Nathan J. Mayne, James Manners +5
In this paper we present three-dimensional atmospheric simulations of the hot Jupiter HD~189733b under two different scenarios: local chemical equilibrium and including advection o…
A closer look at the transition between fully convective and partly radiative low mass stars
Isabelle Baraffe, Gilles Chabrier
Recently, Jao et al. (2018) discovered a gap in the mid-M dwarfs main sequence revealed by the analysis of Gaia data Release 2. They suggested the feature is linked to the onset of…
Significant uncertainties from calibrating overshooting with eclipsing binary systems
Thomas Constantino, Isabelle Baraffe
The precise measurement of the masses and radii of stars in eclipsing binary systems provides a window into uncertain processes in stellar evolution, especially mixing at convectiv…
Bringing high-spectral resolution to VLT/SPHERE with a fibre coupling to VLT/CRIRES+
A. Vigan, G. P. P. L. Otten, E. Muslimov +9
Atmospheric composition provides essential markers of the most fundamental properties of giant exoplanets, such as their formation mechanism or internal structure. New-generation e…
Observable signatures of wind--driven chemistry with a fully consistent three dimensional radiative hydrodynamics model of HD 209458b
Benjamin Drummond, N. J. Mayne, James Manners +8
We present a study of the effect of wind-driven advection on the chemical composition of hot Jupiter atmospheres using a fully-consistent 3D hydrodynamics, chemistry and radiative…