Table 4
Summary of the physical conditions in the Cep E outflow components: the jet, the terminal shock HH377 and the entrained gas (the outflow cavity).
| Jet | HH377 | Outflow cavity | ||
|
|
||||
| Global | Size (″) | 1.7 × 21 | 4.5 | 22 × 10 |
| parameters | Velocity range (km s-1) | −140; −100 | −90; −50 | −100; −11 |
| Mass (M⊙) | 0.02 | 0.006 | 0.32 | |
| Radial momentum (M⊙ km s-1) | 1.7 | 0.4 | 2.6 | |
| Low-excitation | Tkin (K) | 80–100 | – | 55–85 |
| component | N(CO) (cm-2) | 9(16) | – | 7(17) |
| n(H2) (cm-3) | (0.5–1.0)(5) | – | (1–8)(5) | |
| High-excitation | Tkin (K) | 400–750 | 400–500 | 500–1500 |
| component | N(CO) (cm-2) | 1.5(16) | 1.0(17) | 6(16) |
| n(H2) (cm-3) | (0.5–1.0)(6) | (1–2)(6) | (1–5)(6) | |
Notes. Two physical components, of low- and high-excitation excitation respectively, are detected in both the jet and the outflow cavity. Only one component is detected towards HH377 (see text). We adopt the convention a(b) = a × 10b.
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