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Table 4

Parameters retrieved by modeling for each bright area.

Spot VIRTIS file Mixing modalities H2O ice H2O ice grain Additional slope Goodness
sample, line Alternative/Simultaneous abundance (%) size (μm) (%μm-1) χ 2

1 I1_00383518966 areal A 1.1 350 5.2 4.19
s: 184, l: 24 intimate 1.2 450 4.16

2 I1_00385906923 areal A 0.1 40 no 1.18
s: 173, l: 42 intimate 0.5 200 1.04

3 I1_00385885107 areal A 1.3 750 2.8 2.78
s: 120, l: 35 intimate 1.8 1300 3.30

4 I1_00373462192 areal S 3.2 4500 no 0.45
s: 93, l: 35 intimate 4.0 30

5 I1_00377182711 areal A 1.7 400 4.0 1.47
s: 61, l: 69 intimate 2.0 800 2.15

6 I1_00376302211 areal S 1.9 6500 −1.8 0.28
s: 16, l: 38 intimate 1.0 250

7 I1_00369356914 areal A 1.5 10 4.0 0.90
s: 239, l: 66 intimate 1.8 15 0.86

8 I1_00377184571 areal A 0.3 900 no 0.56
s: 6, l: 7 intimate 0.7 2200 0.55

Notes. The relative error on abundance and grain size is 40%, as estimated in Raponi (2014).

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