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Table 3.
Evolutionary times spent inside the instability strip for different HB models constructed assuming synthetic AGB modelling, full evolutionary calculations (Gravo–nuclear loops), and He-enhanced (Y = 0.30) chemical composition.
| Z | Stellar mass | Synthetic HB | Gravo–nuclear loops | He-enriched |
|---|---|---|---|---|
| [M⊙] | [Myr] | [Myr] | [Myr] | |
| 0.0001 | 0.525 | 1.28 | 0.51 | 3.19 |
| 0.001 | 0.525 | 1.10 | 0.28 | 2.59 |
| 0.01 | 0.505 | 4.05 | 3.2 | 5.66 |
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