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Table 3
Stellar and circumstellar parameters of W Aql used in radiative transfer modelling.
| Distance | 395 pc |
|---|---|
| Effective temperature, T⋆ | 2300 K |
| Dust optical depth(a) at 10 μm | 0.6 |
| Luminosity, L⋆ | 7500 L⊙ |
| Stellar LSR velocity, υLSR | −23 km s−1 |
| Expansion velocity, υ∞ | 16.5 km s−1 |
| Minimum velocity, υ0 | 3 km s−1 |
| Velocity index, β | 2 |
| Dust condensation radius, Rin | 2 × 1014 cm |
| Mass-loss rate, Ṁ | 3 × 10−6 M⊙ yr−1 |
Notes. Parameters taken from Danilovich et al. (2014) and Ramstedt et al. (2017); (a) see text for details of dust treatment for AlCl.
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