Table 5: ZAHB visual magnitude in the RR Lyrae region ( $M_{V}^{\rm 3.83}$). The progenitor mass is 0.8 $M_{\odot }$ for Z=0.004 Y=0.27 and 0.9 $M_{\odot }$ in the other two cases.
$M_{V}^{\rm 3.83}$ $M_{V}^{\rm 3.83}$ $M_{V}^{\rm 3.83}$
Z=0.008 Y=0.25 Z=0.004 Y=0.238 Z=0.004 Y=0.27
0.761 0.672 0.565


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