Table 1: Stellar parameters and chemical composition of HE 0107-5240 (Christlieb et al. 2004), and two theoretical models as explained in Sects. 2 (M 1) and 3 (M 2). The column "M 1 (initial)'' denotes the composition of the polluting SN ejecta; the interior of model M 1 has Z=0 throughout.
Qnty. Value $\sigma$ M 1 (initial) M 1 (final) M 2 (initial) M 2 (final)

$T_{{\rm eff}}~(K)$ 5100 150 - 4520 - 5026

$\log g$ (cgs) 2.2 0.3 - 1.7 - 2.3

$M/M_\odot$ $\approx$ 0.8 - 0.820 0.817 0.810 0.807

${\rm [Fe/H]}$ -5.3 0.2 -1.3 -5.3 -5.3 -5.3

${\rm [C/Fe]}$ 4.0 0.3 2.6 6.0 4.0 4.0

${\rm [N/Fe]}$ 2.3 0.2 -0.6 6.2 0.0 2.9

${\rm [O/Fe]}$ 2.4 0.4 2.6 2.7 4.0 4.0

$^{12}{\rm C}/^{13}{\rm C}$ $\approx$ 60 (>50) $\approx$ 10⁶ 4.8 $\approx$ 10⁶ 61

**Table 1:** Stellar parameters and chemical composition of HE 0107-5240 (Christlieb et al. 2004), and two theoretical models as explained in Sects. 2 (M 1) and 3 (M 2). The column "M 1 (initial)'' denotes the composition of the polluting SN ejecta; the interior of model M 1 has Z=0 throughout.
Qnty.	Value	$\sigma$	M 1 (initial)	M 1 (final)	M 2 (initial)	M 2 (final)
$T_{{\rm eff}}~(K)$	5100	150	-	4520	-	5026
$\log g$ (cgs)	2.2	0.3	-	1.7	-	2.3
$M/M_\odot$	$\approx$ 0.8	-	0.820	0.817	0.810	0.807
${\rm [Fe/H]}$	-5.3	0.2	-1.3	-5.3	-5.3	-5.3
${\rm [C/Fe]}$	4.0	0.3	2.6	6.0	4.0	4.0
${\rm [N/Fe]}$	2.3	0.2	-0.6	6.2	0.0	2.9
${\rm [O/Fe]}$	2.4	0.4	2.6	2.7	4.0	4.0
$^{12}{\rm C}/^{13}{\rm C}$	$\approx$ 60	(>50)	$\approx$ 10⁶	4.8	$\approx$ 10⁶	61

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