Table 2
Percentage of WRs and RSGs produced in binary and single stellar populations at different metallicities.
| Z = 0.001 | Z = 0.004 | Z = 0.008 | Z = 0.02 | Z = 0.04 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CHE | NoCHE | Sing | CHE | NoCHE | Sing | NoCHE | Sing | NoCHE | Sing | NoCHE | Sing | |
| PWR | 9.5 | 3.6 | 0 | 12.2 | 7.0 | 1.9 | 8.7 | 4.6 | 10.7 | 8.6 | 12.6 | 12.2 |
| PWRbin | 15.9 | 5.4 | 18.4 | 10.6 | 13.6 | 17.1 | 19.8 | |||||
| PWRprim | 25.5 | 65.4 | 34.6 | 57.4 | 55.0 | 53.5 | 47.0 | |||||
| PWRsec | 72.9 | 29.9 | 56.6 | 26.6 | 23.0 | 22.5 | 25.0 | |||||
| PWRmerg | 1.6 | 4.7 | 8.8 | 16.0 | 22.0 | 24.0 | 28.0 | |||||
| PWR–WR | 0.3 | 0.2 | 0.7 | 0.5 | 1.2 | 1.8 | 2.8 | |||||
| PRSG | 13.5 | 14.7 | 27.5 | 14.4 | 15.5 | 29.2 | 16.7 | 29.6 | 17.3 | 15.6 | 19.3 | 39.2 |
| PRSGbin | 23.7 | 25.6 | 25.4 | 26.5 | 28.7 | 29.8 | 33.6 | |||||
| PRSGprim | 48.4 | 44.5 | 45.1 | 42.1 | 43.0 | 43.5 | 39.5 | |||||
| PRSGsec | 20.4 | 26.2 | 18.3 | 22.9 | 21.6 | 22.7 | 26.6 | |||||
| PRSGmerg | 31.2 | 29.3 | 36.6 | 35.0 | 35.4 | 33.0 | 33.9 | |||||
| PRSG-RSG | 0.03 | 0.03 | 0.2 | 0.2 | 0.3 | 0.4 | 0.3 | |||||
Notes. From top to bottom line: percentage of stars in the sample that experience a WR phase (PWR), binaries with at least one WR (PWRbin), primary stars that become WRs (PWRprim), secondary stars that become WRs (PWRsec), stellar mergers that evolve into WRs (PWRmerg), binary systems experiencing a WR–WR phase (PWR–WR), stars that experience a RSG phase (PRSG), binaries with at least one RSG (PRSGbin), primary stars that evolve into RSGs (PRSGprim), secondary stars that evolve into RSGs (PRSGsec), stellar mergers that become RSGs (PRSGmerg), binary systems experiencing a RSG-RSG phase (PRSG–RSG).
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