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Table 3
Iron abundances [Fe/H] as a function of the metallicity value Z and the helium abundance Y for an α-element enhancement of [α/Fe] = 0.3.
| Y | |||||||
| Z | 0.230 | 0.245 | 0.270 | 0.295 | 0.320 | 0.345 | 0.370 |
|
|
|||||||
| 1.60e-4 | –2.259 | –2.250 | –2.235 | –2.220 | –2.205 | –2.188 | –2.171 |
| 2.80e-4 | –2.015 | –2.007 | –1.992 | –1.977 | –1.961 | –1.945 | –1.928 |
| 5.10e-4 | –1.755 | –1.746 | –1.732 | –1.717 | –1.701 | –1.685 | –1.668 |
| 9.30e-4 | –1.494 | –1.485 | –1.471 | –1.455 | –1.440 | –1.423 | –1.407 |
| 1.60e-3 | –1.258 | –1.249 | –1.235 | –1.219 | –1.204 | –1.187 | –1.170 |
| 2.84e-3 | –1.008 | –0.999 | –0.985 | –0.969 | –0.954 | –0.937 | –0.920 |
| 5.03e-3 | –0.758 | –0.750 | –0.735 | –0.720 | –0.704 | –0.688 | –0.671 |
| 8.90e-3 | –0.508 | –0.500 | –0.485 | –0.470 | –0.454 | –0.437 | –0.420 |
| 1.57e-2 | –0.258 | –0.249 | –0.234 | –0.219 | –0.203 | –0.186 | –0.169 |
Notes. In boldface type are the selected [Fe/H]’s (when Y = 0.245) to obtain the Z values used to calculate our theoretical models.
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