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Detection of CO, H2O, and OH in WASP-18 b with JWST/NIRISS Using Direct-extracted Spectra and Cross Correlation

  • Authors: Qinglin Ouyang, Fei Yan, Shuo Liu, Boyue Guo, Guo Chen, Enric Pallé, Yuanheng Yang, Wei Wang, Meng Zhai, Qian Chen

Qinglin Ouyang et al 2026 The Astrophysical Journal 1004 .

  • Provider: AAS Journals

Caption: Figure 4.

Results of the chemical equilibrium retrieval. Left panel: the retrieved TP profile. Top middle and right panels: the continuum and line profile spectra with the best-fit chemical equilibrium model, respectively. Bottom middle and right panels: comparison of the C/O and [M/H] posteriors from our joint retrieval and continuum-only retrieval.

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