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Table 5
Parameters of W Aql and its CSE obtained from the SED and dynamical modelling, and through a cursory inspection of the line data.
| Distance | 395 pc |
| Effective temperature, Teff | 2300 K |
| Dust/gas mass ratio, Ψ | 2 × 10-3 |
| Inner radius of dust shell | 2 × 1014 cm |
| Dust optical depth at 10 μm | 0.6 |
| n(CO)/n(H2) (adopted) | 6 × 10-4 |
| Luminosity, L∗ | 7500 L⊙ |
| Stellar mass (adopted) M∗ | 1 M⊙ |
| Stellar velocity, υLSR | 23 km s-1 |
| Gas expansion velocity, υ∞ | 16.5 km s-1 |
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