Table 1
Models employed for the simulations.
| Name | Phase | CHE | Mmin (M⊙) | ∆M/MZAMS | Zmax |
|---|---|---|---|---|---|
| NoCHEzams | ZAMS | No CHE | |||
| NoCHEpreMS | preMS | No CHE | |||
| CHE10zams | ZAMS | Eldridge et al. (2011) | 10 | 5% | 0.004 |
| CHE10preMS | preMS | Eldridge et al. (2011) | 10 | 5% | 0.004 |
| CHE20zams | ZAMS | Eldridge et al. (2017) | 20 | 5% | 0.004 |
| CHE20preMS | preMS | Eldridge et al. (2017) | 20 | 5% | 0.004 |
Notes. Column 1: name of the simulation set; Column 2: initial phase of the stars at the beginning of the simulation (phase); Column 3: the model includes (CHE) or does not include (No CHE) chemically quasi-homogeneous evolution; Column 4: minimum mass required for a star to enter a CHE phase (Mmin); Column 5: minimum accreted mass relative to its ZAMS mass required for a star to enter a CHE phase (∆M/MZAMS); column 6: maximum metallicity required for a star to enter a CHE phase (Zmax). Our fiducial models (CHEpreMS and NoCHEpreMS) are highlighted in boldface. In the main body of the paper, all figures refer to the fiducial models. The other four models are described in Appendix A.
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