Sulphur dioxide in the mid-infrared transmission spectrum of WASP-39b

The recent inference of sulphur dioxide (SO\(_2\)) in the atmosphere of the hot (\(\sim\)1100 K), Saturn-mass exoplanet WASP-39b from near-infrared JWST observations suggests that photochemistry is a key process in high temperature exoplanet atmospheres. This is due to the low (\(

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Bibliographic Details
Published in:arXiv.org 2024-07
Main Authors: Powell, Diana, Feinstein, Adina D, Lee, Elspeth K H, Zhang, Michael, Shang-Min Tsai, Taylor, Jake, Kirk, James, Bell, Taylor, Barstow, Joanna K, Gao, Peter, Bean, Jacob L, Blecic, Jasmina, Chubb, Katy L, Crossfield, Ian J M, Jordan, Sean, Kitzmann, Daniel, Moran, Sarah E, Morello, Giuseppe, Moses, Julianne I, Welbanks, Luis, Yang, Jeehyun, Zhang, Xi, Eva-Maria Ahrer, Bello-Arufe, Aaron, Brande, Jonathan, Casewell, S L, Crouzet, Nicolas, Cubillos, Patricio E, Brice-Olivier Demory, Dyrek, Achrène, Flagg, Laura, Hu, Renyu, Inglis, Julie, Jones, Kathryn D, Kreidberg, Laura, López-Morales, Mercedes, Pierre-Olivier Lagage, Meier Valdés, Erik A, Yamila Miguel, Parmentier, Vivien, Piette, Anjali A A, Rackham, Benjamin V, Radica, Michael, Redfield, Seth, Stevenson, Kevin B, Wakeford, Hannah R, Aggarwal, Keshav, Alam, Munazza K, Batalha, Natalie M, Batalha, Natasha E, Benneke, Björn, Berta-Thompson, Zach K, Brady, Ryan P, Caceres, Claudio, Carter, Aarynn L, Jean-Michel Désert, Harrington, Joseph, Iro, Nicolas, Line, Michael R, Lothringer, Joshua D, MacDonald, Ryan J, Mancini, Luigi, Molaverdikhani, Karan, Mukherjee, Sagnick, Nixon, Matthew C, Oza, Apurva V, Palle, Enric, Rustamkulov, Zafar, Sing, David K, Steinrueck, Maria E, Venot, Olivia, Wheatley, Peter J, Yurchenko, Sergei N
Format: Article
Language:English
Subjects:
Absorption spectra
Abundance
Extrasolar planets
Gas giant planets
Heavy elements
High temperature
Inference
Infrared instruments
Infrared radiation
Infrared spectrometers
James Webb Space Telescope
Metallicity
Photochemistry
Planetary atmospheres
Saturn atmosphere
Sulfur dioxide
Water vapor
Wavelengths
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Summary:The recent inference of sulphur dioxide (SO\(_2\)) in the atmosphere of the hot (\(\sim\)1100 K), Saturn-mass exoplanet WASP-39b from near-infrared JWST observations suggests that photochemistry is a key process in high temperature exoplanet atmospheres. This is due to the low (\(
ISSN:2331-8422
DOI:10.48550/arxiv.2407.07965