Open Access
Table 2
Adopted GCM simulation parameters for WASP-39b and HD 189733b.
| Symbol | WASP-39b | HD 189733b | Unit | Description |
|---|---|---|---|---|
| Tint | 358 | 382 | K | Internal temperature |
| Tirr | 1652 | 1694 | K | Irradiation temperature |
| P0 | 220 | 220 | bar | Reference surface pressure |
| M/H | 10× | 1× | – | Metallicity times solar |
| CP | 11 335 | 12637 | J K−1 kg−1 | Specific heat capacity |
| R | 3221 | 3561 | J K−1 kg−1 | Ideal gas constant |
| κ | 0.284 | 0.282 | – | Adiabatic coefficient |
| gp | 4.26 | 21.8 | ms−2 | Acceleration from gravity |
| Rp | 9.14 × 107 | 8.14 × 107 | m | Radius of planet |
| Ωp | 1.79 × 10−5 | 3.38 × 10−5 | rad s−1 | Rotation rate of planet |
| ∆thydro | 30 | 30 | s | Hydrodynamic time-step |
| ∆trad | 30 | 30 | s | Radiative time-step |
| ∆tchem | 1500 | 1500 | s | Chemical time-step |
| Nv | 54 | 54 | – | Vertical resolution |
| d4 | 0.16 | 0.16 | – | 𝒪(4) divergence dampening coefficient |
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