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Table 2
Comparison of cloud column densities [mg/cm2] for the three models shown in Fig. 3 and discussed in the text.
| Condensate | DRIFT | DIFFUDRIFT | DIFFUDRIFT |
|---|---|---|---|
| dust + gas diffusion | gas diffusion | ||
| TiO2 | 6.8 × 10−3 | 4.3 × 10−3 | 9.7 × 10−3 |
| Al2O3 | 0.57 | 0.47 | 7.9 |
| MgSiO3 | 0.29 | 0.040 | 0.092 |
| Mg2SiO4 | 0.54 | 0.59 | 0.71 |
| SiO | 0.48 | 0.034 | 0.038 |
| SiO2 | 0.14 | 6.0 × 10−3 | 9.1 × 10−3 |
| Fe | 1.7 | 0.70 | 0.97 |
| FeO | 1.2 × 10−3 | 2.5 × 10−6 | 3.8 × 10−6 |
| MgO | 0.3 | 6.9 × 10−7 | 1.8 × 10−6 |
| FeS | 2.4 × 10−3 | 5.5 × 10−5 | 1.0 × 10−4 |
| CaTiO3 | 0.040 | 0.022 | 0.32 |
| Fe2O3 | 7.3 × 10−7 | 4.2 × 10−11 | 9.2 × 10−11 |
| Total | 4.0 | 1.9 | 10.1 |
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