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Table 4
Summary of the inputs to the model spectra.
| Component | Self-consistent | Free-chemistry | ||
|---|---|---|---|---|
| Temperature Profile |
T.1) mean profile measured by JWST NIRISS/SOSS for orbital phases in Table 5 (see also Fig. A.1) T.2) As T.1) but isothermal above 10−5 bar | Isothermal: T=1800 K | ||
| Chemistry | Ch.1) Equilibrium chemistry for metallicities 0.1, 1, 10, 100, 1000 times solar Ch.2) Same as Ch.1) but with TiO removed Ch.3) Same as Ch.1) but with TiO and VO removed |
Hydrogen-helium atmosphere with a uniform volume mixing ratio of a single species, log10(VMRx): x → TiO: {–5,–6,–7,...,–15} x → VO: {–5,–6,–7,...,–15} x → Fe: {–2,–3,–4,...,–7} x → MgH: {–4,–5,–6,...,–14} x → FeH: {–5,–6,–7,...,–13} x → H2O: {–1,–2,–3,...,–8} x → AlH: {–5,–6,–7,...,–13} |
||
| Grey cloud deck with an optical depth of 10 spanning one order of magnitude in pressure. | ||||
| Clouds | Mg2SiO4 and MgSiO3 clouds modelled with virga assuming kzz = 109, fsed = 1 and the above temperature profiles | Top of the cloud deck pressure, Ptop: 10{0.5,0,-0.5,...,-5} bar | ||
| Cloud scattering properties: | ||||
| Parameter | Pre-eclipse (C.1) | Post-eclipse (C.2) | ||
| ω0 | 0.885 | 0.995 | ||
| g0 | 0.0 | 0.0 | ||
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