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Table 2
Physical parameters derived from CO and H2O observations.
| Source: | L1448 | VLA 1623 | L 1157 | |||||||
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| Molecular tracer: | CO | H2O | CO | H2O | CO | H2O | ||||
| Red-shifted lobe | ||||||||||
| Total mass (M⊙): | 1.6 × 10-2 | 6.3 × 10-3 | 1.1 × 10-2 | 1.6 × 10-3 | 8.4 × 10-2 | 1.3 × 10-2 | ||||
| Llobe (pc) | 0.17 | 0.17 | 0.09 | 0.09 | 0.21 | 0.22 | ||||
| ⟨ υ ⟩ lobe (km s-1): | 75 | 64 | 27 | 60 | 75 | 152 | ||||
| υmax (km s-1): | 195 | 218 | 116 | 116 | 143 | 192 | ||||
| tdyn (yr): | 8.7 × 102 | 7.7 × 102 | 7.2 × 102 | 7.6 × 102 | 1.4 × 103 | 1.1 × 103 | ||||
| Momentum (M⊙ km s-1): | 0.42 | 0.14 | 0.08 | 0.03 | 0.98 | 0.30 | ||||
| Kinetic energy (erg): | 5.6 × 1044 | 1.6 × 1044 | 2.7 × 1043 | 2.0 × 1043 | 5.7 × 1044 | 3.5 × 1044 | ||||
| Momentum rate (M⊙ km s-1 yr-1): | 4.8 × 10-4 | 1.9 × 10-4 | 1.1 × 10-4 | 3.3 × 10-5 | 7.0 × 10-4 | 2.7 × 10-4 | ||||
| Mechanical luminosity (L⊙): | 5.3 × 100 | 1.8 × 100 | 3.1 × 10-1 | 2.1 × 10-1 | 3.4 × 100 | 2.6 × 100 | ||||
| Wind mass-loss rate (M⊙ yr-1): | 2.4 × 10-6 | 9.4 × 10-7 | 5.5 × 10-7 | 1.7 × 10-7 | 3.5 × 10-6 | 1.3 × 10-6 | ||||
| Blue-shifted lobe | ||||||||||
| Total mass (M⊙): | 2.0 × 10-2 | 2.8 × 10-3 | 1.2 × 10-1 | 9.4 × 10-3 | ||||||
| Llobe (pc) | 0.16 | 0.08 | 0.12 | 0.12 | ||||||
| ⟨ υ ⟩ lobe (km s-1): | –75 | –94 | –29 | –49 | ||||||
| υmax (km s-1): | –195 | –195 | –68 | –128 | ||||||
| tdyn (yr): | 7.8 × 102 | 3.8 × 102 | 1.8 × 103 | 9.4 × 102 | ||||||
| Momentum (M⊙ km s-1): | 0.53 | 0.09 | 0.54 | 0.07 | ||||||
| Kinetic energy (erg): | 7.1 × 1044 | 1.6 × 1044 | 1.2 × 1044 | 2.7 × 1043 | ||||||
| Momentum rate (M⊙ km s-1 yr-1): | 6.7 × 10-4 | 2.5 × 10-4 | 3.0 × 10-4 | 7.6 × 10-5 | ||||||
| Mechanical luminosity (L⊙): | 7.5 × 100 | 3.4 × 100 | 5.8 × 10-1 | 2.4 × 10-1 | ||||||
| Wind mass-loss rate (M⊙ yr-1): | 3.4 × 10-6 | 1.2 × 10-6 | 1.5 × 10-6 | 3.8 × 10-7 | ||||||
Notes.Inclination angles with respect to the plane of the sky are 21°, 15°, and 9° for L 1448, VLA 1623, and L 1157, respectively. The velocity of the wind is assumed to be 200 km s-1.
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