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Table A.2

Results of the PSG retrieval on the mean cluster spectra presented in Fig. 4.

Parameter Unit Meaning Cluster 1 (STrZ) Cluster 2 (SEB and STB) Cluster 3 (GRS and Oval BA) Cluster 4 (STB and SEB) Cluster 5 (SEB)
NH3 VMR ppm Gaseous ammonia profile deep mixing ratio 254 ± 103 219 ± 65 243 ± 84 204 ± 75
NH3 RH % Gaseous ammonia profile relative humidity 24 ±7 22 ±6 10 ±6 23 ±6 24 ±7

rh µm Haze particles effective radius 0.38 ± 0.13 0.36 ± 0.15 0.35 ± 0.20 0.48 ± 0.15 0.29 ± 0.11
ph bar Central pressure level of the haze layer 0.30 ± 0.06 0.27 ± 0.07 0.27 ± 0.07 0.33 ± 0.06 0.25 ± 0.07
wh bar Width of the haze layer 0.22 ± 0.08 0.23 ± 0.08 0.27 ± 0.07 0.22 ± 0.10 0.23 ± 0.09
Nh part/cm3 Number density of the haze layer 85 ± 140 65 ± 117 135 ± 150 32 + 52 158 ± 200

rC µm Main cloud particles effective radius 3.3 ± 0.4 3.1 ± 0.4 2.2 ± 0.9 3.7 ± 0.6 3.1 ± 0.3
pC bar Central pressure level of the main cloud 0.64 ± 0.05 0.58 ± 0.04 0.48 ± 0.12 0.64 ± 0.05 0.57 ± 0.04
wC bar Width of the main cloud 0.043 ± 0.020 0.045 ± 0.020 0.082 ± 0.021 0.044 ± 0.021 0.043 ± 0.021
NC part/cm3 Number density of the main cloud 7.5 ±4.3 6.7 ± 3.9 11 ± 13 5 ± 3 9 ± 5

PD bar Central pressure level of the deep cloud 1.03 ± 0.07 1.26 ± 0.08 1.15 ± 0.07 1.09 ± 0.07
ND part/cm3 Number density of the deep cloud 224 ± 26 346 ± 47 288 ± 33 295 ± 27

Notes. When missing values are present in the table it does mean that the retrieval was not able to move from its initial guess. This happened only for the ammonia deep mixing ratio and the deep cloud parameters in the case of the GRS spectra retrieval. In that case, in fact, the main cloud deck became optically thick higher in the troposphere. The results presented in this table were used to obtain the maps presented in Fig. 5.

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