Hot exoplanetary atmospheres in 3D

W Pluriel - Remote Sensing, 2023 - mdpi.com
Hot giant exoplanets are very exotic objects with no equivalent in the Solar System that
allow us to study the behavior of atmospheres under extreme conditions. Their thermal and …

Modelling the day–night temperature variations of ultra-hot Jupiters: confronting non-grey general circulation models and observations

X Tan, TD Komacek, NE Batalha… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT Ultra-hot Jupiters (UHJs) are natural laboratories to study extreme physics in
planetary atmospheres and their rich observational data sets are yet to be confronted with …

ESA-Ariel Data Challenge NeurIPS 2022: introduction to exo-atmospheric studies and presentation of the Atmospheric Big Challenge (ABC) Database

Q Changeat, KH Yip - RAS Techniques and Instruments, 2023 - academic.oup.com
This is an exciting era for exo-planetary exploration. The recently launched JWST, and other
upcoming space missions such as Ariel, Twinkle, and ELTs are set to bring fresh insights to …

Spitzer thermal phase curve of WASP-121 b

G Morello, Q Changeat, A Dyrek, PO Lagage… - Astronomy & …, 2023 - aanda.org
Aims. We analyse unpublished Spitzer observations of the thermal phase-curve of WASP-
121 b, a benchmark ultra-hot Jupiter. Methods. We adopted the wavelet pixel-independent …

Longitudinally asymmetric stratospheric oscillation on a tidally locked exoplanet

M Cohen, MA Bollasina, PI Palmer… - The Astrophysical …, 2022 - iopscience.iop.org
Using a three-dimensional general circulation model, we show that the atmospheric
dynamics on a tidally locked Earth-like exoplanet, simulated with the planetary and orbital …

Toward Atmospheric Retrievals of Panchromatic Light Curves: ExPLOR-ing Generalized Inversion Techniques for Transiting Exoplanets with JWST and Ariel

Q Changeat, Y Ito, AF Al-Refaie, KH Yip… - The Astronomical …, 2024 - iopscience.iop.org
Conventional atmospheric retrieval codes are designed to extract information, such as
chemical abundances, thermal structures, and cloud properties, from fully" reduced" spectra …

Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications

KL Chubb, S Robert, C Sousa-Silva… - RAS Techniques …, 2024 - academic.oup.com
The goal of this white paper is to provide a snapshot of the data availability and data needs
primarily for the Ariel space mission, but also for related atmospheric studies of exoplanets …

Repeated cyclogenesis on hot-exoplanet atmospheres with deep heating

JW Skinner, J Nättilä, JYK Cho - Physical review letters, 2023 - APS
Most current models of hot-exoplanet atmospheres assume shallow heating, a strong day-
night differential heating near the top of the atmosphere. Here we investigate the effects of …

Is binning always sinning? The impact of time-averaging for exoplanet phase curves

G Morello, A Dyrek, Q Changeat - Monthly Notices of the Royal …, 2022 - academic.oup.com
We explore how finite integration time or temporal binning can affect the analysis of
exoplanet phase curves. We provide analytical formulae to account for this effect or, if …

A Shallow-water Model Exploration of Atmospheric Circulation on Sub-Neptunes: Effects of Radiative Forcing and Rotation Period

E Landgren, A Nadeau, N Lewis… - The Planetary …, 2023 - iopscience.iop.org
Sub-Neptune-type exoplanets are abundant in our Galaxy yet have no solar system
analogs. They exist in a broad range of stellar forcing and rotational regimes that are …