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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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