The effect of stellar contamination on low-resolution transmission spectroscopy: needs identified by NASA's Exoplanet Exploration Program Study Analysis Group 21

BV Rackham, N Espinoza… - RAS Techniques …, 2023‏ - academic.oup.com
Abstract Study Analysis Group 21 (SAG21) of NASA's Exoplanet Exploration Program
Analysis Group was organized to study the effect of stellar contamination on space-based …

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

TJ Bell, N Crouzet, PE Cubillos, L Kreidberg… - Nature …, 2024‏ - nature.com
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 predict …

Aerosols in exoplanet atmospheres

P Gao, HR Wakeford, SE Moran, V Parmentier - 2021‏ - Wiley Online Library
Observations of exoplanet atmospheres have shown that aerosols, like in the solar system,
are common across a variety of temperatures and planet types. The formation and …

A benchmark JWST near-infrared spectrum for the exoplanet WASP-39 b

AL Carter, EM May, N Espinoza, L Welbanks… - Nature …, 2024‏ - nature.com
Observing exoplanets through transmission spectroscopy supplies detailed information
about their atmospheric composition, physics and chemistry. Before the James Webb Space …

A clear view of a cloudy brown dwarf companion from high-resolution spectroscopy

JW Xuan, J Wang, JB Ruffio, H Knutson… - The Astrophysical …, 2022‏ - iopscience.iop.org
Direct imaging studies have mainly used low-resolution spectroscopy (R∼ 20–100) to study
the atmospheres of giant exoplanets and brown dwarf companions, but the presence of …

Let the great world spin: revealing the stormy, turbulent nature of young giant exoplanet analogs with the Spitzer Space Telescope

JM Vos, JK Faherty, J Gagné, M Marley… - The Astrophysical …, 2022‏ - iopscience.iop.org
We present a survey for photometric variability in young, low-mass brown dwarfs with the
Spitzer Space Telescope. The 23 objects in our sample show robust signatures of youth and …

Four-of-a-kind? Comprehensive atmospheric characterisation of the HR 8799 planets with VLTI/GRAVITY

E Nasedkin, P Mollière, S Lacour, M Nowak… - Astronomy & …, 2024‏ - aanda.org
With four companions at separations from 16 to 71 au, HR 8799 is a unique target for direct
imaging, presenting an opportunity for a comparative study of exoplanets with a shared …

Patchy forsterite clouds in the atmospheres of two highly variable exoplanet analogs

JM Vos, B Burningham, JK Faherty… - The Astrophysical …, 2023‏ - iopscience.iop.org
We present an atmospheric retrieval analysis of a pair of highly variable,∼ 200 Myr old,
early T type planetary-mass exoplanet analogs SIMP J01365662+ 0933473 and 2MASS …

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. V. Do Self-consistent Atmospheric Models Represent JWST Spectra? A …

S Petrus, N Whiteford, P Patapis, BA Biller… - The Astrophysical …, 2024‏ - iopscience.iop.org
The unprecedented medium-resolution (R λ∼ 1500–3500) near-and mid-infrared (1–18 μm)
spectrum provided by JWST for the young (140±20 Myr) low-mass (12–20 M Jup) L–T …

[HTML][HTML] Patchy nightside clouds on ultra-hot Jupiters: general circulation model simulations with radiatively active cloud tracers

TD Komacek, X Tan, P Gao… - The Astrophysical Journal, 2022‏ - iopscience.iop.org
The atmospheres of ultra-hot Jupiters have been characterized in detail through recent
phase curve and low-and high-resolution emission and transmission spectroscopic …