Open Access
Table 1
Summary of retrieval parameters and the assumptions for their prior distributions.
Parameter | Symbol | Prior range | Distribution | Units |
---|---|---|---|---|
Temperature | T | [500, 3000] | Uniform | K |
Slope between two adjacent temperature nodes(*) | bì=1...4 | [0.1, 3.0] | Uniform | − |
Molecular abundances | Xi | [10−12, 10−1] | Log-uniform | − |
Planetary radius | Rp | 1.279±0.051 | Gaussian | RJ |
Stellar radius | Rs | 0.939±0.030 | Gaussian | R⊙ |
Planetary surface gravity | log g | 2.629±0.051 | Gaussian | cm s−2 |
Grey clouds | ||||
Cloud-top pressure | Pcloudtop | [10−6, 10] | Log-uniform | bar |
Optical depth | τcloud | [10−5, 103] | Log-uniform | − |
Non-grey clouds | ||||
Cloud-top pressure | Pcloudtop | [10−6, 10] | Log-uniform | bar |
Reference optical depth | τcloud | [10−5, 103] | Log-uniform | − |
Composition parameter | Q0 | [1, 100] | Uniform | − |
Index | a0 | [3, 6] | Uniform | − |
Spherical cloud particle radius | rcloud | [10−7, 10−1] | Log-uniform | cm |
Notes. (*) Only for the non-isothermal profile, where bi is interpreted as the slope between two adjacent temperature nodes. More details may be found in Kitzmann et al. (2020).
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