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Table 1
Results of the Bayesian model comparison for H2O in HST/WFC3 and Na/K in VLT/ESPRESSO.
| Retrieval model | Parameters | Evidence lnZ | Bayes factor B |
|---|---|---|---|
| HST/WFC3 for H2O | |||
| Full hypothesis | P0, Pclouds, H2O, CO2, CH4, CO, N2 | Nominal: − 32.973 CASCADE: − 19.394 | Nominal: baseline CASCADE: baseline |
| H2O removed | P0, Pclouds, CO2,CH4,CO, N2 | Nominal: − 36.042 CASCADE: − 22.971 | Nominal: 21.5 ( ) CASCADE: 35.8 ( ) |
| CH4 removed | P0, Pclouds, H2O, CO2,CO, N2 | Nominal: − 33.093 CASCADE: − 19.300 | Nominal: 1.1 CASCADE: 0.9 |
| No clouds | P0, H2O, CO2, CH4,CO, N2 | Nominal: − 33.828 CASCADE: − 19.271 | Nominal: 2.35 CASCADE: 0.88 |
| HST/WFC3 and VLT/ESPRESSO for Na and K | |||
| Full hypothesis | P0, Pclouds, H2O, CO2,CH4,CO, N2, Na/K | Nominal: − 174.929 CASCADE: − 162.158 | Nominal: baseline CASCADE: baseline |
| Na/K removed | P0, Pclouds, H2O, CO2,CH4,CO, N2 | Nominal: − 176.918 CASCADE: − 163.849 | Nominal: 7.3 (2.5σNa,K) CASCADE: 5.4 (2.4σNa,K) |
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