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Table 1
Cloud properties of W49A.
| Quantity | Assumed values | Comments | Reference |
|---|---|---|---|
| Cloud radius | R ≈ 6 pc | Approximate distance from Cluster 1 to W49SW and W49S | Peng et al. (2010) |
| Molecular gas mass (W49A; r ≲ 6 pc) |  |
Assumed uncertainties of a factor of 2; used for modeling | Galván-Madrid et al. (2013), Urquhart et al. (2018) |
| Molecular gas mass (W49 molecular cloud; r ≲ 60 pc) | Mgas ≈ 1 × 106 M⊙ | Galván-Madrid et al. (2013) | |
| Stellar cluster mass (all infrared sub-clusters) | M* ≈ 5–7 × 104 M⊙ | Homeier & Alves (2005) | |
| Stellar cluster mass (Cluster 1) | M* ≈ 1 × 104 M⊙ | Used for modeling, assuming that mass is possibly up to a factor of two higher | Homeier & Alves (2005) |
| Derived molecular gas density (W49A; r ≲ 6 pc) |  |
Assuming homogeneity and spherical symmetry |
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