Table 3: Radii, depth, and mass of the convective core, radius at the bottom of the outer convective zone, mass of the outer convective zone, initial and present surface chemical composition for stellar models satisfying the observational constraints for $\iota$ Hor.
Model $R_{\star}$ (cm) $r_{\rm cc}/R_{\star}$ $M_{\rm cc}$ / $M_{\star}$ $r_{\rm ec}$ / $R_{\star}$ $M_{\rm ec}$ / $M_{\star}$ Y₀ Z₀ Y Z

OM1 7.91e10 - - 0.774 0.008 0.2787 0.0220 0.2503 0.0207

OM2 7.65e10 0.036 0.0033 0.782 0.008 0.2878 0.0260 0.2802 0.0257

AC1 8.08e10 - - 0.767 0.008 0.2698 0.0226 0.2440 0.0210

AC2 7.50e10 - - 0.780 0.007 0.2670 0.0263 0.2735 0.0255

OM3( $\alpha =2.2$ ) 7.38e10 0.0463 0.0060 0.755 0.013 0.2970 0.0300 0.2909 0.0296

OM4 7.71e10 0.031 0.0022 0.788 0.006 0.2820 0.0235 0.2724 0.0230

**Table 3:** Radii, depth, and mass of the convective core, radius at the bottom of the outer convective zone, mass of the outer convective zone, initial and present surface chemical composition for stellar models satisfying the observational constraints for $\iota$ Hor.
Model	$R_{\star}$ (cm)	$r_{\rm cc}/R_{\star}$	$M_{\rm cc}$ / $M_{\star}$	$r_{\rm ec}$ / $R_{\star}$	$M_{\rm ec}$ / $M_{\star}$	Y₀	Z₀	Y	Z
OM1	7.91e10	-	-	0.774	0.008	0.2787	0.0220	0.2503	0.0207
OM2	7.65e10	0.036	0.0033	0.782	0.008	0.2878	0.0260	0.2802	0.0257
AC1	8.08e10	-	-	0.767	0.008	0.2698	0.0226	0.2440	0.0210
AC2	7.50e10	-	-	0.780	0.007	0.2670	0.0263	0.2735	0.0255
OM3( $\alpha =2.2$ )	7.38e10	0.0463	0.0060	0.755	0.013	0.2970	0.0300	0.2909	0.0296
OM4	7.71e10	0.031	0.0022	0.788	0.006	0.2820	0.0235	0.2724	0.0230

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