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Table 4

Parameters used in our retrievals.

Parameter Symbol Range Prior
Classic retrieval

Planet radius R 5σ around lit. value Flat linear
Planet log(g) log(g) 5σ around lit. value Gaussian prior
Atmospheric temperature T 300–3000 K Flat linear
Molecular abundances Xi 10−10–1 Flat log
Cloud pressure Pcloud 10−3–103 bar Flat log
Rayleigh haze fmix 10−3–106 × H2 scattering Flat log

Constrained retrieval

Planet radius R 5σ around lit. value Flat linear
Planet mass M 5σ around lit. value Gaussian prior
Diffusion coefficient Kzz 105–1012 cm2 s−1 Flat log
Nucleation rate 10−17–10−7 g cm−2 s−1 Flat log
C/O C/O 0.1–1.3 Flat linear
Si/O Si/O 0–0.3 Flat linear
N/O N/O 0–0.3 Flat linear
Metallicity [Z] –1–3 Flat linear
Irradiation parameter firr 0–0.25 Flat linear
Internal temperature Tint 10–3000 K Flat log
Infrared opacity κIR 10−4–104 cm2 g−1 Flat log
Visible to IR opacity γ 10−2–102 Flat log

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