Detection of H2O and CO2 in the Atmosphere of the Hot Super-Neptune WASP-166b with JWST

Detection of H2O and CO2 in the Atmosphere of the Hot Super-Neptune WASP-166b with JWST

We characterize the atmosphere of the hot super-Neptune WASP-166b ( P = 5.44 days, R _p  = 6.9 ± 0.3 R _⊕ , M _p  = 32.1 ± 1.6 M _⊕ , T _eq  = 1270 ± 30 K) orbiting an F9V star using JWST transmission spectroscopy with NIRISS and NIRSpec (0.85–5.17 μ m). With this broad wavelength range, NIRISS prov...

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Bibliographic Details
Main Authors: Andrew W. Mayo, Charles D. Fortenbach, Dana R. Louie, Courtney D. Dressing, Emma V. Turtelboom, Steven Giacalone, Caleb K. Harada
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astronomical Journal
Subjects:
Exoplanets
Exoplanet astronomy
Transmission spectroscopy
James Webb Space Telescope
Exoplanet atmospheric composition
Hot Neptunes
Online Access:https://doi.org/10.3847/1538-3881/adda2e
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https://doi.org/10.3847/1538-3881/adda2e

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