Table 2.
Key data of selected massive binary evolution models from Wellstein & Langer (1999) and Wellstein et al. (2001).
| No. | M1, i | M2, i | Porb, i | PHe + OB | MHe | MOB | LHe | LOB | THe | TOB | log ṀHe | vesc, He | Lwind, He |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M⊙ | M⊙ | d | d | M⊙ | M⊙ | 103 L⊙ | 103 L⊙ | kK | kK | M⊙ yr−1 | km s−1 | L⊙ | |
| 1 | 12 | 8 | 2 | 189 | 1.1 | 18.5 | 0.436 | 69 | 48 | 32 | −9.71 | 1170 | 0.40 |
| 2 | 10 | 8 | 3 | 61 | 1.8 | 16.1 | 2.7 | 29 | 57 | 32 | −8.63 | 1130 | 2.25 |
| 3 | 12 | 8 | 6 | 72 | 2.4 | 17.5 | 6.2 | 35 | 65 | 33 | −8.14 | 1200 | 7.74 |
| 4 | 16 | 13 | 3 | 64 | 2.6 | 25.3 | 6.9 | 120 | 74 | 35 | −8.08 | 1390 | 12.00 |
| 5 | 16 | 15 | 9 | 107 | 3.6 | 26.7 | 16.6 | 126 | 80 | 38 | −7.56 | 1420 | 41.20 |
| 6 | 25 | 19 | 4 | 30 | 5.3 | 35.9 | 35.0 | 238 | 98 | 43 | −7.12 | 1750 | 180.10 |
Notes. Besides the initial binary parameters, i.e. the initial masses of the mass donor (M1, i) and the mass gainer (M2, i), and the initial orbital period Porb, i, we give parameters of the binary and its component stars at the time where the mass donor has a central helium mass fraction of 0.8 during core helium burning, i.e. the orbital period PHe + OB, both stellar masses during that stage, the corresponding luminosities and effective temperatures, and the expected stellar wind mass-loss rate, velocity and mechanical wind energy production rate, according to Vink (2017).
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