Atmospheric dynamics of hot giant planets and brown dwarfs

AP Showman, X Tan, V Parmentier - Space Science Reviews, 2020 - Springer
Groundbased and spacecraft telescopic observations, combined with an intensive modeling
effort, have greatly enhanced our understanding of hot giant planets and brown dwarfs over …

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

EM Ahrer, KB Stevenson, M Mansfield, SE Moran… - Nature, 2023 - nature.com
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 …

SO2, silicate clouds, but no CH4 detected in a warm Neptune

A Dyrek, M Min, L Decin, J Bouwman, N Crouzet… - Nature, 2024 - nature.com
WASP-107b is a warm (approximately 740 K) transiting planet with a Neptune-like mass of
roughly 30.5 M⊕ and Jupiter-like radius of about 0.94 RJ (refs.,), whose extended …

Tracing the formation history of giant planets in protoplanetary disks with carbon, oxygen, nitrogen, and sulfur

D Turrini, E Schisano, S Fonte, S Molinari… - The Astrophysical …, 2021 - iopscience.iop.org
The composition of giant planets is imprinted by their migration history and the
compositional structure of their hosting disks. Studies in recent literature have investigated …

The cloudy shape of hot Jupiter thermal phase curves

V Parmentier, AP Showman… - Monthly Notices of the …, 2021 - academic.oup.com
Hot Jupiters have been predicted to have a strong day/night temperature contrast and a
hotspot shifted eastward of the substellar point. This was confirmed by numerous phase …

Beyond equilibrium temperature: how the atmosphere/interior connection affects the onset of methane, ammonia, and clouds in warm transiting giant planets

JJ Fortney, C Visscher, MS Marley… - The Astronomical …, 2020 - iopscience.iop.org
The atmospheric pressure–temperature profiles for transiting giant planets cross a range of
chemical transitions. Here we show that the particular shapes of these irradiated profiles for …

Inhomogeneous terminators on the exoplanet WASP-39 b

N Espinoza, ME Steinrueck, J Kirk, RJ MacDonald… - Nature, 2024 - nature.com
Transmission spectroscopy has been a workhorse technique used over the past two
decades to constrain the physical and chemical properties of exoplanet atmospheres …

Observability of signatures of transport-induced chemistry in clear atmospheres of hot gas giant exoplanets

M Zamyatina, E Hébrard, B Drummond… - Monthly Notices of …, 2023 - academic.oup.com
Transport-induced quenching, ie the homogenization of chemical abundances by
atmospheric advection, is thought to occur in the atmospheres of hot gas giant exoplanets …

3D modelling of the impact of stellar activity on tidally locked terrestrial exoplanets: atmospheric composition and habitability

RJ Ridgway, M Zamyatina, NJ Mayne… - Monthly Notices of …, 2023 - academic.oup.com
Stellar flares present challenges to the potential habitability of terrestrial planets orbiting M
dwarf stars through inducing changes in the atmospheric composition and irradiating the …

A significant increase in detection of high-resolution emission spectra using a three-dimensional atmospheric model of a hot Jupiter

H Beltz, E Rauscher, M Brogi… - The Astronomical …, 2020 - iopscience.iop.org
High-resolution spectroscopy has opened the way for new, detailed study of exoplanet
atmospheres. There is evidence that this technique can be sensitive to the complex, three …