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Table 1

Our stellar evolution model for HD 49933.

M/M R/R log    g Y 0 (Z/X)0 α α ov Age   (My) Teff   (K) log    L/L X c Y s (Z/X)s  [Fe/H] 

1.200 1.42 4.21 0.29 0.016 1.00 0.35 2690 6640 0.55 0.47 0.20 0.011 –0.38

Notes. The mass M, initial helium content Y0, metallicity (Z/X)0, core overshoot αov, and mixing length α are adjusted to reproduce the radius obtained by interferometry and the observed large and small separations.

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