Table 1
Stellar and wind parameters for a differentially rotating O5-V main sequence star (with Vrot = 300 km s-1 (Ω = 0.42) and 500 km s-1 (Ω = 0.70), respectively, without distortion) at the pole (θ = 0) and the equator (θ = π/2)a.
| M | = | 40.0 M⊙ |
| R core | = | 11.757 R⊙ |
| τ (Rcore) | = | 22.9 |
| ρ (Rcore) | = | 1.398 × 10-8 g cm-3 |
| T eff | = | 40 000 K |
| log (L/L⊙) | = | 5.5 |
| Γ | = | 0.214 |
| Element abundances | = | Solar metallicity |
| Vrot [km s-1] | 0, 300, 500 | 300 | 500 |
| θ [rad] | 0 | π/2 | π/2 |
|
|
|||
| log Ṁ [M⊙/yr] | –6.046 | –6.026 | –5.937 |
| v∞ [km s-1] | 3240 | 3086 | 2720 |
| β | 0.731 | 0.757 | 0.808 |
|
17392 | 17321 | 14984 |
| γ | 0.462 | 0.515 | 0.616 |
| δ | 0.6811 | 0.716 | 0.727 |
[r0/Rcore] |
1.0014 | 1.0005 | 0.9993 |
[rc/Rcore] |
1.0098 | 1.0094 | 1.0108 |
[rs/Rcore] (ISA) |
1.011 | 1.011 | 1.012 |
|
– | 1.099 | 1.531 |
Notes.
The results for the wind from the differentially rotating central star with the fixed stellar parameters given in the upper part of the table. The converged values of the wind parameters v∞, β,
, γ, δ,
, and mass-loss rates log Ṁ, together with the critical radius
, which is equal (i.e. close) to the sonic radius
(obtained by ISA-Wind), are displayed in the lower part of the table: the results of the first column (at the pole) correspond to the spherical 1D wind model published in Paper I (see Table 5), whereas the second and third column represent the converged parameters of the iteration cycles shown in Table A.1 at the equator for the different stellar rotation speeds of Vrot = 300 and 500 km s-1, respectively. In addition, the terminal ratios (ρeq/ρp)∞ of the wind densities at the equator compared to the pole are also calculated.
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