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Table 1
Models of spherically-symmetric and stationary dust-driven winds of AGB stars with different mass-loss lates, based on the empirical nucleation rate for SiO, Eq. (16).
| Quantity | Symbol | Unit | ||||||||
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| Stellar parameters | ||||||||||
| Mass-loss | Ṁ | 1 | 2 | 3 | 5 | 10 | 20 | 30 | 50 | 10-5 M⊙ yr-1 |
| Mass | M ∗ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | M ⊙ |
| Luminosity | L ∗ | 5 | 5 | 5 | 5 | 5 | 10 | 10 | 10 | 103 L⊙ |
| Temperature | T ∗ | 2700 | 2700 | 2700 | 2700 | 2700 | 2700 | 2700 | 2700 | K |
| Radius | R ∗ | 323 | 323 | 323 | 323 | 323 | 456 | 456 | 456 | R ⊙ |
| Sonic point | ||||||||||
| Position | r c | 9.21 | 7.98 | 7.50 | 7.05 | 6.60 | 6.42 | 6.20 | 5.93 | R ∗ |
| Temperature | T(rc) | 629.1 | 675.9 | 697.1 | 719.0 | 743.2 | 753.4 | 766.9 | 783.7 | K |
| Pressure | p(rc) | 1.75 | 4.85 | 8.35 | 16.0 | 37.1 | 39.5 | 64.2 | 118 | 10-10 bar |
| Degree of condensation | f(rc) | 13.4 | 14.06 | 14.5 | 15.4 | 17.6 | 6.37 | 6.15 | 6.77 | % |
| Dust shell | ||||||||||
| Terminal velocity | v ∞ | 4.42 | 5.42 | 6.08 | 7.01 | 8.67 | 10.71 | 11.81 | 13.10 | km s-1 |
| Terminal condensation | f ∞ | 19.4 | 26.9 | 33.9 | 47.2 | 71.4 | 62.7 | 75.8 | 88.3 | % |
| Rosseland optical depth | τ R | 0.36 | 0.75 | 1.03 | 2.37 | 6.21 | 5.26 | 9.31 | 18.02 | |
| Visual optical depth | τ 0.5 μm | 0.97 | 2.01 | 3.26 | 6.39 | 16.75 | 14.19 | 25.10 | 48.60 | |
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