MIRI-LRS Spectrum of a Cold Exoplanet around a White Dwarf: Water, Ammonia, and Methane Measurements

MIRI-LRS Spectrum of a Cold Exoplanet around a White Dwarf: Water, Ammonia, and Methane Measurements

The study of the atmosphere of exoplanets orbiting white dwarfs is a largely unexplored field. With WD 0806-661 b, we present the first deep dive into the atmospheric physics and chemistry of a cold exoplanet around a white dwarf. We observed WD 0806-661 b using JWST’s Mid-InfraRed Instrument Low-Re...

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Main Authors: Maël Voyer, Quentin Changeat, Pierre-Olivier Lagage, Pascal Tremblin, Rens Waters, Manuel Güdel, Thomas Henning, Olivier Absil, David Barrado, Anthony Boccaletti, Jeroen Bouwman, Alain Coulais, Leen Decin, Adrian M. Glauser, John Pye, Alistair Glasse, René Gastaud, Sarah Kendrew, Polychronis Patapis, Daniel Rouan, Ewine F. van Dishoeck, Göran Östlin, Tom P. Ray, Gillian Wright
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal Letters
Subjects:
Direct imaging
Spectroscopy
Exoplanet atmospheres
James Webb Space Telescope
Bayesian statistics
Online Access:https://doi.org/10.3847/2041-8213/adbd46
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https://doi.org/10.3847/2041-8213/adbd46

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