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Fig. 2

image

Clouds formation at C/O = 1.0 for a prescribed Drift-Phoenix (Tgas, pgas) structure for a giant gas planet with Teff = 2000 K, log(g) = 3.0, initial solar element abundances. Three cases are tested: i) TiO2 nucleation only (light blue); ii) carbon nucleation alone (red); and iii) simultaneous carbon and TiO2 nucleation (gray). Left: 1st panel: input Tgas [K] and pgas [bar], 2nd panel: nucleation rate log J [cm-3 s-1], 3rd panel: cloud particle number density log nd [cm-3], and 4th panel: mean cloud particle radius log ⟨ a [μm]. Right: changing material composition, Vs/Vtot [%] (relative volume fractions of solid species s) of the cloud particles for different nucleation species.

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