271 citations · 3.5k across the 35 of their papers we have counts for
33 papers
A minimal model for slow, sub-Rayleigh, super-shear and unsteady rupture propagation along homogeneously loaded frictional interfaces
Kjetil Thøgersen, Henrik Andersen Sveinsson, David Skålid Amundsen +3
In nature and experiments, a large variety of rupture speeds and front modes along frictional interfaces are observed. Here, we introduce a minimal model for the rupture of homogen…
Albedos, Equilibrium Temperatures, and Surface Temperatures of Habitable Planets
Anthony D. Del Genio, Nancy Y. Kiang, Michael J. Way +8
The potential habitability of known exoplanets is often categorized by a nominal equilibrium temperature assuming a Bond albedo of either 0.3, similar to Earth, or 0. As an indicat…
Simulating the cloudy atmospheres of HD 209458 b and HD 189733 b with the 3D Met Office Unified Model
S. Lines, N. J. Mayne, Ian A. Boutle +9
To understand and compare the 3D atmospheric structure of HD 209458 b and HD 189733 b, focusing on the formation and distribution of cloud particles, as well as their feedback on t…
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…
Modeling Venus-Like Worlds Through Time
M. J. Way, Anthony Del Genio, David S. Amundsen
We explore the atmospheric and surface history of a hypothetical paleo-Venus climate using a 3-D General Circulation Model. We constrain our model with the in-situ and remote sensi…
The effect of metallicity on the atmospheres of exoplanets with fully coupled 3D hydrodynamics, equilibrium chemistry, and radiative transfer
Benjamin Drummond, N. J. Mayne, Isabelle Baraffe +5
In this work we have performed a series of simulations of the atmosphere of GJ~1214b assuming different metallicities using the Met Office Unified Model (UM). The UM is a general c…
Cloudless atmospheres for young low-gravity substellar objects
P. Tremblin, G. Chabrier, I. Baraffe +7
Atmospheric modeling of low-gravity (VL-G) young brown dwarfs remains a challenge. The presence of very thick clouds has been suggested because of their extremely red near-infrared…
A library of ATMO forward model transmission spectra for hot Jupiter exoplanets
Jayesh M. Goyal, Nathan Mayne, David K. Sing +11
We present a grid of forward model transmission spectra, adopting an isothermal temperature-pressure profile, alongside corresponding equilibrium chemical abundances for 117 observ…
Habitable Climate Scenarios for Proxima Centauri b With a Dynamic Ocean
Anthony D. Del Genio, Michael J. Way, David S. Amundsen +4
The nearby exoplanet Proxima Centauri b will be a prime future target for characterization, despite questions about its retention of water. Climate models with static oceans sugges…
An ultrahot gas-giant exoplanet with a stratosphere
Thomas M. Evans, David K. Sing, Tiffany Kataria +24
Infrared radiation emitted from a planet contains information about the chemical composition and vertical temperature profile of its atmosphere. If upper layers are cooler than low…
A hybrid line list for CH and hot methane continuum
Sergei N. Yurchenko, David S. Amundsen, Jonathan Tennyson +1
Molecular line lists are important for modelling absorption and emission processes in atmospheres of different astronomical objects, such as cool stars and exoplanets. In order to…
HAT-P-26b: A Neptune-Mass Exoplanet with a Well Constrained Heavy Element Abundance
Hannah R. Wakeford, David K. Sing, Tiffany Kataria +11
A correlation between giant-planet mass and atmospheric heavy elemental abundance was first noted in the past century from observations of planets in our own Solar System, and has…
Advection of potential temperature in the atmosphere of irradiated exoplanets: a robust mechanism to explain radius inflation
P. Tremblin, G. Chabrier, N. J. Mayne +6
The anomalously large radii of strongly irradiated exoplanets have remained a major puzzle in astronomy. Based on a 2D steady state atmospheric circulation model, the validity of w…
Results from a set of three-dimensional numerical experiments of a hot Jupiter atmosphere
N. J. Mayne, F. Debras, I. Baraffe +7
We present highlights from a large set of simulations of a hot Jupiter atmosphere, nominally based on HD 209458b, aimed at exploring both the evolution of the deep atmosphere, and…
NIR-Driven Moist Upper Atmospheres of Synchronously Rotating Temperate Terrestrial Exoplanets
Yuka Fujii, Anthony D. Del Genio, David S. Amundsen
HO is a key molecule in characterizing atmospheres of temperate terrestrial planets, and observations of transmission spectra are expected to play a primary role in detecting i…
Parallaxes and Infrared Photometry of three Y0 dwarfs
R. L. Smart, Dániel Apai, J. Davy Kirkpatrick +7
We have followed up the three Y0 dwarfs WISEPA J041022.71+150248.5, WISEPA J173835.53+273258.9 and WISEPC J205628.90+145953.3 using the UKIRT/WFCAM telescope/instruments. We find p…
Resolving Orbital and Climate Keys of Earth and Extraterrestrial Environments with Dynamics 1.0: A General Circulation Model for Simulating the Climates of Rocky Planets
M. J. Way, Igor Aleinov, David. S. Amundsen +8
Resolving Orbital and Climate Keys of Earth and Extraterrestrial Environments with Dynamics (ROCKE-3D) is a 3-Dimensional General Circulation Model (GCM) developed at the NASA Godd…
Treatment of overlapping gaseous absorption with the correlated-k method in hot Jupiter and brown dwarf atmosphere models
David S. Amundsen, Pascal Tremblin, James Manners +2
The correlated-k method is frequently used to speed up radiation calculations in both one-dimensional and three-dimensional atmosphere models. An inherent difficulty with this meth…
The UK Met Office GCM with a sophisticated radiation scheme applied to the hot Jupiter HD 209458b
David S. Amundsen, Nathan J. Mayne, Isabelle Baraffe +6
To study the complexity of hot Jupiter atmospheres revealed by observations of increasing quality, we have adapted the UK Met Office global circulation model (GCM), the Unified Mod…
The Effects of Consistent Chemical Kinetics Calculations on the Pressure-Temperature Profiles and Emission Spectra of Hot Jupiters
Benjamin Drummond, Pascal Tremblin, Isabelle Baraffe +4
In this work we investigate the impact of calculating non-equilibrium chemical abundances consistently with the temperature structure for the atmospheres of highly-irradiated, clos…
Detection of H2O and evidence for TiO/VO in an ultra hot exoplanet atmosphere
Thomas M. Evans, David K. Sing, Hannah R. Wakeford +7
We present a primary transit observation for the ultra hot (Teq~2400K) gas giant expolanet WASP-121b, made using the Hubble Space Telescope Wide Field Camera 3 in spectroscopic mod…
Near-Infrared Spectroscopy of the Y0 WISEP J173835.52+273258.9 and the Y1 WISE J035000.32-565830.2: the Importance of Non-Equilibrium Chemistry
S. K. Leggett, P. Tremblin, D. Saumon +5
We present new near-infrared spectra, obtained at Gemini Observatory, for two Y dwarfs: WISE J035000.32-565830.2 (W0350) and WISEP J173835.52+273258.9 (W1738). A FLAMINGOS-2 R=540…
The mineral clouds on HD 209458b and HD189733b
Ch. Helling, G. Lee, I. Dobbs-Dixon +7
3D atmosphere model results are used to comparatively study the kinetic, non-equilibrium cloud formation in the atmospheres of two example planets guided by the giant gas planets H…
The Need for Laboratory Work to Aid in The Understanding of Exoplanetary Atmospheres
Jonathan J. Fortney, Tyler D. Robinson, Shawn Domagal-Goldman +31
Advancements in our understanding of exoplanetary atmospheres, from massive gas giants down to rocky worlds, depend on the constructive challenges between observations and models.…