Interpreting the atmospheric composition of exoplanets: sensitivity to planet formation assumptions

P Mollière, T Molyarova, B Bitsch… - The Astrophysical …, 2022 - iopscience.iop.org
Constraining planet formation based on the atmospheric composition of exoplanets is a
fundamental goal of the exoplanet community. Existing studies commonly try to constrain …

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 …

The roasting marshmallows program with IGRINS on Gemini South I: composition and climate of the ultrahot Jupiter WASP-18 b

M Brogi, V Emeka-Okafor, MR Line… - The Astronomical …, 2023 - iopscience.iop.org
We present high-resolution dayside thermal emission observations of the exoplanet WASP-
18 b using IGRINS on Gemini South. We remove stellar and telluric signatures using …

Robustness measures for molecular detections using high-resolution transmission spectroscopy of exoplanets

CJ Cheverall, N Madhusudhan… - Monthly Notices of the …, 2023 - academic.oup.com
Ground-based high-resolution transmission spectroscopy has emerged as a promising
technique for detecting chemicals in transiting exoplanetary atmospheres. Despite chemical …

Detection of barium in the atmospheres of the ultra-hot gas giants WASP-76b and WASP-121b-Together with new detections of Co and Sr+ on WASP-121b

TA Silva, ODS Demangeon, NC Santos, R Allart… - Astronomy & …, 2022 - aanda.org
Context. High-resolution spectroscopy studies of ultra-hot Jupiters have been key in our
understanding of exoplanet atmospheres. Observing into the atmospheres of these giant …

CRIRES+ detection of CO emissions lines and temperature inversions on the dayside of WASP-18b and WASP-76b

F Yan, L Nortmann, A Reiners, N Piskunov… - Astronomy & …, 2023 - aanda.org
The dayside atmospheres of ultra-hot Jupiters (UHJs) are predicted to possess temperature
inversion layers with extremely high temperatures at high altitudes. We observed the …

Modelling the effect of 3D temperature and chemistry on the cross-correlation signal of transiting ultra-hot Jupiters: a study of five chemical species on WASP-76b

JP Wardenier, V Parmentier, MR Line… - Monthly Notices of the …, 2023 - academic.oup.com
Ultra-hot Jupiters are perfect targets for transmission spectroscopy. However, their
atmospheres feature strong spatial variations in temperature, chemistry, dynamics, cloud …

ExoGemS Detection of a metal hydride in an exoplanet atmosphere at high spectral resolution

L Flagg, JD Turner, E Deibert… - The Astrophysical …, 2023 - iopscience.iop.org
Exoplanet atmosphere studies are often enriched by synergies with brown dwarf analogs.
However, many key molecules commonly seen in brown dwarfs have yet to be confirmed in …

Atmospheric characterization of the ultra-hot Jupiter WASP-33b-Detection of Ti and V emission lines and retrieval of a broadened line profile

D Cont, F Yan, A Reiners, L Nortmann… - Astronomy & …, 2022 - aanda.org
Ultra-hot Jupiters are highly irradiated gas giant exoplanets on close-in orbits around their
host stars. The dayside atmospheres of these objects strongly emit thermal radiation due to …

Diagnosing limb asymmetries in hot and ultrahot Jupiters with high-resolution transmission spectroscopy

AB Savel, EMR Kempton, E Rauscher… - The Astrophysical …, 2023 - iopscience.iop.org
Due to their likely tidally synchronized nature,(ultra) hot Jupiter atmospheres should
experience strongly spatially heterogeneous instellation. The large irradiation contrast and …