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Table 3
Properties of SiO-emission regions inferred from face-on C-type shock models used in combination with an LVG code, and from homogeneous slab-LVG models.
| Medium | Slab-LVG | Shock-LVG | ||
| properties | red lobe | blue lobe | ambient | best model |
|
|
||||
| Tkin (K) | 100–500 | 100–500 | n.c. | 15–1745 |
| nH2 (cm-3) | ≥ 5 × 106 | ≥ 5 × 106 | ≥ 105 | 3.3 × 106–2.4 × 107 |
| NSiO (cm-2) | 5× 1013 | 1014 | 5 × 1013 | 2.4× 1014 |
| LVG parameter | 2.5 × 1012 | 5× 1012 | 2.5 × 1012 | 6.4 × 1011–5.0 × 1014 |
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