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Table 4
Properties of low-mass protostellar systems and their warm water column densities.
| Target | Lbol | Menv | Mdisk | Size |  (a) |
|---|---|---|---|---|---|
| (L⊙) | (M⊙) | (M⊙) | (″) | (cm−2) | |
| Class 0 | |||||
| IRAS 2A | 35.7 | 5.1 | 0.06 | 1 | 6.3 × 1019 |
| IRAS 4A NW | 9.1 | 5.6 | 0.05 | 1 | 1.7 × 1019 |
| IRAS 4B | 4.4 | 3.0 | 0.14 | 0.8 | 8.4 × 1018 |
| IRAS 4A SE | 9.1 | 5.6 | 0.09 | 1 | <5.8 × 1017 |
| Class I | |||||
| TMC1A | 2.7 | 0.2 | 0.031 | 0.5 | <7.3 × 1017 |
| L1527 | 1.9 | 0.9 | 0.029 | 0.5 | <6.9 × 1017 |
| Elias 29 | 14.1 | 0.04 | 0.001 | 0.1 | <2.1 × 1017 |
| GSS30I1 | 13.9 | 0.1 | 0.001 | <0.4 | <1.5 × 1018 |
| GSS30I3 | 0.13 | 0.1 | 0.016 | 0.78 | <6.8 × 1018 |
Notes. Values are taken from Kristensen et al. (2012) and Persson et al. (2014). (a) Water column densities within 25 au radius.
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