Exoplanetary atmospheres: key insights, challenges, and prospects

N Madhusudhan - Annual Review of Astronomy and …, 2019 - annualreviews.org
Exoplanetary science is on the verge of an unprecedented revolution. The thousands of
exoplanets discovered over the past decade have most recently been supplemented by …

Exoplanetary atmospheres—chemistry, formation conditions, and habitability

N Madhusudhan, M Agúndez, JI Moses, Y Hu - Space science reviews, 2016 - Springer
Characterizing the atmospheres of extrasolar planets is the new frontier in exoplanetary
science. The last two decades of exoplanet discoveries have revealed that exoplanets are …

Photochemically produced SO2 in the atmosphere of WASP-39b

SM Tsai, EKH Lee, D Powell, P Gao, X Zhang, J Moses… - Nature, 2023 - nature.com
Photochemistry is a fundamental process of planetary atmospheres that regulates the
atmospheric composition and stability. However, no unambiguous photochemical products …

The Sonora brown dwarf atmosphere and evolution models. I. Model description and application to cloudless atmospheres in rainout chemical equilibrium

MS Marley, D Saumon, C Visscher… - The Astrophysical …, 2021 - iopscience.iop.org
We present a new generation of substellar atmosphere and evolution models, appropriate
for application to studies of L-, T-, and Y-type brown dwarfs and self-luminous extrasolar …

Carbon-bearing molecules in a possible Hycean atmosphere

N Madhusudhan, S Sarkar… - The Astrophysical …, 2023 - iopscience.iop.org
The search for habitable environments and biomarkers in exoplanetary atmospheres is the
holy grail of exoplanet science. The detection of atmospheric signatures of habitable Earth …

Methane throughout the atmosphere of the warm exoplanet WASP-80b

TJ Bell, L Welbanks, E Schlawin, MR Line, JJ Fortney… - Nature, 2023 - nature.com
The abundances of main carbon-and oxygen-bearing gases in the atmospheres of giant
exoplanets provide insights into atmospheric chemistry and planet formation processes …

Characterizing transiting exoplanet atmospheres with JWST

TP Greene, MR Line, C Montero… - The Astrophysical …, 2016 - iopscience.iop.org
We explore how well spectra from the James Webb Space Telescope (JWST) will likely
constrain bulk atmospheric properties of transiting exoplanets. We start by modeling the …

[HTML][HTML] From thermal dissociation to condensation in the atmospheres of ultra hot Jupiters: WASP-121b in context

V Parmentier, MR Line, JL Bean, M Mansfield… - Astronomy & …, 2018 - aanda.org
Context. A new class of exoplanets has emerged: the ultra hot Jupiters, the hottest close-in
gas giants. The majority of them have weaker-than-expected spectral features in the 1.1− 1.7 …

Habitability and biosignatures of Hycean worlds

N Madhusudhan, AAA Piette… - The Astrophysical …, 2021 - iopscience.iop.org
We investigate a new class of habitable planets composed of water-rich interiors with
massive oceans underlying H 2-rich atmospheres, referred to here as Hycean worlds. With …

The imprint of exoplanet formation history on observable present-day spectra of hot Jupiters

C Mordasini, R van Boekel, P Mollière… - The Astrophysical …, 2016 - iopscience.iop.org
The composition of a planet's atmosphere is determined by its formation, evolution, and
present-day insolation. A planet's spectrum therefore may hold clues on its origins. We …