Table 1: Chemical composition of stellar models with total metallicity Z, initial helium Y0, hydrogen abundance X0, iron abundance with respect to hydrogen (in spectroscopic notation [Fe/H]) and total metallicity with respect to hydrogen [M/H].
Z Y0 X0 [Fe/H] [M/H]
$2\times10^{-4}$ 0.2455 0.7543 -2.26 -1.97
$3\times10^{-4}$ 0.2458 0.7539 -2.08 -1.79
$6\times10^{-4}$ 0.2465 0.7529 -1.78 -1.49
10-3 0.2475 0.7515 -1.56 -1.27
$2\times10^{-3}$ 0.2500 0.7480 -1.25 -0.96
$3\times10^{-3}$ 0.2525 0.7445 -1.07 -0.78
$6\times10^{-3}$ 0.2600 0.7340 -0.77 -0.48
10-2 0.2700 0.7200 -0.54 -0.25

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