Fig. 8

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Fitting the model containing all chemical species (termed the “reference model”) to the NIRSpec PRISM spectrum (grey data points) previously published by Rustamkulov et al. (2023). Corresponding to our findings in Fig. 4, the retrievals assuming grey clouds (left panel) and non-grey clouds (right panel) both use isothermal temperature-pressure profiles. In each panel, post-processing is performed to isolate the contribution of water, carbon dioxide, carbon monoxide, sulphur dioxide, and clouds. The natural logarithm of the Bayes factor between this pair of retrievals is 0.61, implying that Bayesian model comparison has no preference for grey versus non-grey clouds.
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