activity
20142026
most citedPhotochemically-produced SO in the atmosphere of WASP-39b

262 citations · 1.3k across the 40 of their papers we have counts for

collaborators

42 papers

astro-ph.EP2026

Chemical Tracers for 3D Atmospheric Asymmetries on WASP-69 b

Nidhi Bangera, Ludmila Carone, Vikas Soni +6

Warm giant exoplanets exhibit strong three-dimensional temperature contrasts that can significantly alter atmospheric chemistry through quenching and photochemistry, yet transmissi…

astro-ph.EP2026

Phase-dependent chemistry of WASP-43 b revealed with a suite of one-, two-, and three-dimensional models

Robin Baeyens, Julianne I. Moses, Jasmina Blecic +17

Our goal is to investigate the chemistry of the hot Jupiter WASP-43 b in detail using theoretical models, considering the constraints of the James Webb Space Telescope MIRI phase c…

astro-ph.IM2025

Direct imaging characterization of cool gaseous planets

Michiel Min, Jo Barstow, Laura C. Mayorga +19

Cool gas giant exoplanets, particularly those with properties similar to those of Jupiter and Saturn, remain poorly characterized due to current observational limitations. This whi…

astro-ph.EP2025★ 1 cited

Limb Asymmetries on WASP-39b: A Multi-GCM Comparison of Chemistry, Clouds, and Hazes

Maria E. Steinrueck, Arjun B. Savel, Duncan A. Christie +28

With JWST, observing separate spectra of the morning and evening limbs of hot Jupiters has finally become a reality. The first such observation was reported for WASP-39b, where the…

astro-ph.EP2025★ 2 cited

Accelerating exoplanet climate modelling: A machine learning approach to complement 3D GCM grid simulations

Alexander Plaschzug, Amit Reza, Ludmila Carone +2

With the development of ever-improving telescopes capable of observing exoplanet atmospheres in greater detail and number, there is a growing demand for enhanced 3D climate models…

astro-ph.SR2025

The effect of stellar magnetic activity on measurements of morning and evening asymmetry of planetary terminator

N. Kostogryz, A. I. Shapiro, L. Carone +9

Differences in the ingress and egress shapes of transit light curves can indicate morning-evening temperature contrasts on transiting planets. Here, we pinpoint an alternative mech…

astro-ph.EP2025

Characterizing the Dynamics and Chemistry of Transiting Exoplanets with the Habitable World Observatory

Hannah R. Wakeford, Laura C. Mayorga, Joanna K. Barstow +7

The primary scientific objective of this Habitable Worlds Observatory (HWO) Science Case Development Document (SCDD) is to measure planetary rotation rates of transiting exoplanets…

astro-ph.EP2024

History and Habitability of the LP 890-9 Planetary System

Rory Barnes, Laura N. R. do Amaral, Jessica Birky +42

We present numerous aspects of the evolution of the LP 890-9 (SPECULOOS-2/TOI-4306) planetary system, focusing on the likelihood that planet c can support life. We find that the ho…

astro-ph.EP2024★ 13 cited

Why heterogeneous cloud particles matter: Iron-bearing species and cloud particle morphology affects exoplanet transmission spectra

Sven Kiefer, Dominic Samra, David A. Lewis +5

The possibility of observing spectral features in exoplanet atmospheres with space missions like JWST and ARIEL necessitates the accurate modelling of cloud particle opacities. In…

astro-ph.EP2024★ 2 cited

The dark days are overcast: Iron-bearing clouds on HD 209458 b and WASP-43 b can explain low dayside albedos

K. L. Chubb, D. Samra, Ch. Helling +2

We simulate the geometric albedo spectra of hot Jupiter exoplanets HD 209458 b and WASP-43 b, based on global climate model (GCMs) post-processed with kinetic cloud models. We pred…

astro-ph.EP2024

Inhomogeneous terminators on the exoplanet WASP-39 b

Néstor Espinoza, Maria E. Steinrueck, James Kirk +40

Transmission spectroscopy has been a workhorse technique over the past two decades to constrain the physical and chemical properties of exoplanet atmospheres. One of its classical…

astro-ph.EP2024

Two-Dimensional Eclipse Mapping of the Hot Jupiter WASP-43b with JWST MIRI/LRS

Mark Hammond, Taylor J. Bell, Ryan C. Challener +21

We present eclipse maps of the two-dimensional thermal emission from the dayside of the hot Jupiter WASP-43b, derived from an observation of a phase curve with the JWST MIRI/LRS in…

astro-ph.EP2024★ 1 cited

Examining the detectability of ringing on highly eccentric exoplanets

Mathijs Vanrespaille, Robin Baeyens, Aaron David Schneider +2

Eccentric exoplanets offer an opportunity to study the response of an atmosphere to changing thermal forcing and the robustness of the super-rotating equatorial jet seen on tidally…

astro-ph.EP2024★ 5 cited

Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43b

Taylor J. Bell, Nicolas Crouzet, Patricio E. Cubillos +80

Hot Jupiters are among the best-studied exoplanets, but it is still poorly understood how their chemical composition and cloud properties vary with longitude. Theoretical models pr…

astro-ph.EP2023★ 1 cited

Harnessing machine learning for accurate treatment of overlapping opacity species in general circulation models

Aaron David Schneider, Paul Mollière, Gilles Louppe +4

To understand high precision observations of exoplanets and brown dwarfs, we need detailed and complex general circulation models (GCMs) that incorporate hydrodynamics, chemistry,…

astro-ph.EP2023

A planetary collision afterglow and transit of the resultant debris cloud

Matthew Kenworthy, Simon Lock, Grant Kennedy +19

Planets grow in rotating disks of dust and gas around forming stars, some of which can subsequently collide in giant impacts after the gas component is removed from the disk. Monit…

astro-ph.EP2023★ 12 cited

Photodissociation and induced chemical asymmetries on ultra-hot gas giants. A case study of HCN on WASP-76 b

Robin Baeyens, Jean-Michel Désert, Annemieke Petrignani +2

Recent observations have resulted in the detection of chemical gradients on ultra-hot gas giants. Notwithstanding their high temperature, chemical reactions in ultra-hot atmosphere…

astro-ph.EP2023

Modelling reflected polarised light from close-in giant exoplanet WASP-96b using PolHEx (Polarisation of Hot Exoplanets)

Katy L. Chubb, Daphne M. Stam, Christiane Helling +2

We present the Polarisation of Hot Exoplanets (PolHEx) code for modelling the total flux (F) and degree of linear polarisation (P) of light spectra reflected by close-in, tidally l…

astro-ph.EP2023★ 11 cited

Evidence of Radius Inflation in Radiative GCM Models of WASP-76b due to the Advection of Potential Temperature

Felix Sainsbury-Martinez, Pascal Tremblin, Aaron David Schneider +6

Understanding the discrepancy between the radii of observed hot Jupiters and standard 'radiative-convective' models remains a hotly debated topic in the exoplanet community. One me…

astro-ph.EP2023★ 4 cited

WASP-39b: exo-Saturn with patchy cloud composition, moderate metallicity, and underdepleted S/O

Ludmila Carone, David A. Lewis, Dominic Samra +2

WASP-39b is one of the first extrasolar giant gas planets that has been observed within the JWST ERS program. Fundamental properties that may enable the link to exoplanet formation…

astro-ph.EP2022★ 197 cited

Early Release Science of the exoplanet WASP-39b with JWST NIRCam

Eva-Maria Ahrer, Kevin B. Stevenson, Megan Mansfield +96

Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in eq…

astro-ph.EP2022

CAMEMBERT: A Mini-Neptunes GCM Intercomparison, Protocol Version 1.0. A CUISINES Model Intercomparison Project

Duncan A. Christie, Elspeth K. H. Lee, Hamish Innes +19

With an increased focus on the observing and modelling of mini-Neptunes, there comes a need to better understand the tools we use to model their atmospheres. In this paper, we pres…

astro-ph.EP2022★ 262 cited

Photochemically-produced SO in the atmosphere of WASP-39b

Shang-Min Tsai, Elspeth K. H. Lee, Diana Powell +82

Photochemistry is a fundamental process of planetary atmospheres that regulates the atmospheric composition and stability. However, no unambiguous photochemical products have been…

astro-ph.EP2022★ 26 cited

Clouds form on the hot Saturn JWST ERO target WASP-96b

Dominic Samra, Christiane Helling, Katy Chubb +3

WASP-96b is a hot Saturn exoplanet, with an equilibrium temperature well within the regime of thermodynamically expected extensive cloud formation. Prior observations with Hubble/W…