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 …

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 …

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 …

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 …

[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 …

Roaring Storms in the Planetary-mass Companion VHS 1256-1257 b: Hubble Space Telescope Multiepoch Monitoring Reveals Vigorous Evolution in an Ultracool …

Y Zhou, BP Bowler, D Apai, T Kataria… - The Astronomical …, 2022 - iopscience.iop.org
The photometric and spectral variability of brown dwarfs probes heterogeneous temperature
and cloud distributions and traces the atmospheric circulation patterns. We present a new 42 …

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 …

Spitzer phase-curve observations and circulation models of the inflated ultrahot Jupiter WASP-76b

EM May, TD Komacek, KB Stevenson… - The Astronomical …, 2021 - iopscience.iop.org
The large radii of many hot Jupiters can only be matched by models that have hot interior
adiabats, and recent theoretical work has shown that the interior evolution of hot Jupiters …

Atmospheric circulation of brown dwarfs and directly imaged exoplanets driven by cloud radiative feedback: global and equatorial dynamics

X Tan, AP Showman - Monthly Notices of the Royal …, 2021 - academic.oup.com
Brown dwarfs, planetary-mass objects and directly imaged giant planets exhibit significant
observational evidence for active atmospheric circulation, raising critical questions about …

TRAPPIST habitable atmosphere intercomparison (THAI) workshop report

TJ Fauchez, M Turbet, DE Sergeev… - The Planetary …, 2021 - iopscience.iop.org
The era of atmospheric characterization of terrestrial exoplanets is just around the corner.
Modeling prior to observations is crucial in order to predict the observational challenges and …