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Table 2

Number of stars whose helium abundances and [N/O] ratios are both reproduced by Bonn models within 1, 2, and 3σ.

BONNSAI input parameters 1σ 2σ 3σ

Teff, log gC, vsin i, y, CNO abundances 7 13 15
Teff, log gC, vsin i, y 7 15 20
Teff, log gC, vsin i 6 14 20

Notes. Stars with lower/upper limits in [N/O] are not considered.

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