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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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