Detection of CO, H 2 O, and OH in WASP-18b with JWST/NIRISS using Direct-Extracted Spectra and Cross-Correlation
Qinglin Ouyang, Fei Yan, Shuo Liu, Boyue Guo, Guo Chen, Enric Pallé, Yuanheng Yang, Wei Wang, Meng Zhai, Qian Chen
astro-ph.EP, astro-ph.IM
Submitted: 2026-05-29
Comments: Accepted for publication in ApJ
Code: https://github.com/qlouyang/Variable-Resolution-Convolution
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- JWST Reveals CH$_4$, CO$_2$, and H$_2$O in a Metal-rich Miscible Atmosphere on a Two-Earth-Radius Exoplanet
- Horizontal and vertical exoplanet thermal structure from a JWST spectroscopic eclipse map
- Highlights from Exoplanet Observations by the James Webb Space Telescope
- Exoplaneteers Keep Overestimating Sigma Significances
- Continuous helium absorption from the leading and trailing tails of WASP-107b
- Bayesian Model Comparison and Significance: Widespread Errors and how to Correct Them
- Challenges in the detection of gases in exoplanet atmospheres
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