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Table 1.
Stellar and wind parameters of the O-star and WR-star components of the γ2 Velorum system.
| Parameter | O star (O7.5) | WR star (WC8) |
|---|---|---|
| Mass M* [M⊙] | 28.5 [1, 2] | 9.0 [2] |
| Radius R* [R⊙] | 17.0 [2] | 6.0 [2] |
| Effective temperature T* [K] | 35 000 [1] | 56 000 [2] |
| Luminosity L* [L⊙] | 2.8 × 105 [2] | 1.7 × 105 [2] |
| Mass-loss rate Ṁ∗ [M⊙ yr−1] | 1.78 × 10−7 [1] | 8.0 × 10−6 [2, 3] |
| Terminal velocity V*, ∞ [km s−1] | 2500 [1] | 1450 [2, 3] |
| Surface magnetic field B* [G] | 100 [4] | 100 [4] |
Notes.
The references are taken from [1] De Marco et al. (2000), [2] North et al. (2007), [3] Schild et al. (2004), [4] Reitberger et al. (2017). “*” is replaced by O for O star, and W for WR star in this work.
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