Figure 10.
![The thermal stability in terms of supersaturation (S = pFe/psat, Fe; pFe – Fe vapour pressure; psat, Fe – Fe[s] saturation vapour pressure) for solid iron, Fe[s], in the (Tgas, pgas) plane. Both vertical atmosphere (Tgas, pgas) trajectories for HD 189733b and HD 209458b do not cross the line of thermal stability (S = 1), hence, Fe[s] will not evaporate at the cloud base. The solar value for the Fe-element abundance is used for this plot.](https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/mnras/460/1/10.1093_mnras_stw662/3/stw662fig10.jpeg?Expires=1750479722&Signature=i5V-M3xElBQaCx5K~dna98isXunKmyMEUFwvT7K3nes~Aa01xDDx7L-3heDm4ZjAEPZylnKV9SLoKqmDt~PwPWN8dicqTsjTyzvHacReH1NP3TdS3Tuc7E6beMUXiQBCaLlJIxagPxgzLVoo7u8~dnSCWe8wrjntAt274EilwsXvN7Uw0lkcQXdW8X9zHLavNkWvmO6QcADHf-OyF9c7Jbl9p9i~9pduvsUzikGRKkC1vHgexEpLvAejNWejh8G5qiycST5~MLKv9sfseOOt4MzbTbNckalKzi7gzWDwKi5h8D-cFwzO-PCsWX0ITb~TA9LPLzwFnKInsWpsEWvj9A__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
The thermal stability in terms of supersaturation (S = pFe/psat, Fe; pFe – Fe vapour pressure; psat, Fe – Fe[s] saturation vapour pressure) for solid iron, Fe[s], in the (Tgas, pgas) plane. Both vertical atmosphere (Tgas, pgas) trajectories for HD 189733b and HD 209458b do not cross the line of thermal stability (S = 1), hence, Fe[s] will not evaporate at the cloud base. The solar value for the Fe-element abundance is used for this plot.
