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Table 4
Dust grain populations.
| Name | Composition | Density (kg m−3) | amin − amax (µm) | Distribution law | (Power-law) exponent/ (Log-normal) mean (µm) |
|---|---|---|---|---|---|
| a-C1 | CM20 | 1600 | 4 × 10−4 −7 × 10−4 | Power-law | −3.5 |
| a-C2 | CM20 | 1600 | 7 × 10−4− 1.5 × 10−3 | Power-law | −3.5 |
| VSG | CM20 | 1600 | 1.5 × 10−2−2 × 10−2 | Power-law | −3.5 |
| amC | CM20 | 1570 | 5 × 10−4−4.9 | Log-normal | 7 × 10−3 |
| Sil1 |  |
2190 | 1 × 10−3−4.9×10 | Log-normal | 8 × 10−3 |
| Sil2 |  |
2190 | 1 × 10−2−1 × 103 | Power-law | –3.5 |
Notes. The optical properties of the dust populations are computed using the CM20, aPyM5 and aOlM5 components provided by POLARIS as part of the THEMIS model (Jones et al. 2013, 2017).
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