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Home All issues Volume 558 (October 2013) A&A, 558 (2013) A46 Full HTML
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Table 1

Selected evolutionary properties of a 1 M⊙ stellar model for all BaSTI metallicities (scaled solar mixture).

Z Y tH (Gyr) log (LBump/L⊙) log (Ltip/L⊙) McHe(M⊙) ΔYsurf ttip  (Gyr)
10-5 0.245 5.35 2.477 3.183 0.5103 0.013 5.61 − − − −
10-4 0.245 5.25 2.352 3.271 0.4972 0.016 5.57 0.801 1.757
3 × 10-4 0.245 5.31 2.217 3.315 0.4924 0.018 5.69 0.707 1.710
6 × 10-4 0.246 5.41 2.132 3.342 0.4895 0.019 5.84 0.665 1.685
10-3 0.246 5.58 2.024 3.361 0.4876 0.020 6.07 0.640 1.664
2 × 10-3 0.248 5.96 1.915 3.387 0.4853 0.020 6.55 0.609 1.631
4 × 10-3 0.251 6.72 1.757 3.412 0.4829 0.021 7.48 0.585 1.593
8 × 10-3 0.256 8.09 1.608 3.433 0.4798 0.023 9.10 0.564 1.543
10-2 0.259 8.75 1.555 3.437 0.4785 0.022 9.84 0.558 1.521
0.0198 0.2734 11.29 1.391 3.446 0.4727 0.023 12.61 0.538 1.461
0.03 0.288 12.54 1.318 3.447 0.4675 0.023 13.94 0.526 1.431
0.04 0.303 13.07 1.297 3.441 0.4621 0.021 14.49 0.516 1.419
0.05 0.316 13.18 1.279 3.436 0.4574 0.021 14.55 0.508 1.417

Notes. tH and tTip denote the age of the model at central H exhaustion and at the tip of the RGB, respectively. ΔYsurf is the amount of extra helium dredged to the surface during the first dredge-up. and are the total mass and surface luminosity of the BaSTI HB models whose ZAHB locations are at log Teff = 3.85, taken as representative of the average effective temperature of the RR Lyrae instability strip.

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