Table 4.
Abundances determined for the stars in our sample of binary systems.
| Star | log ϵ(C) | log ϵ(N) | log ϵ(O) | [N/C] | [N/O] | log ϵ(Mg) | log ϵ(Si) |
|---|---|---|---|---|---|---|---|
| V1034 Sco A | 8.39 ± 0.12 | 7.71 ± 0.12 | 8.76 ± 0.07 | −0.68 ± 0.17 | −1.05 ± 0.14 | 7.67 ± 0.14 | 7.56 ± 0.01 |
| V1034 Sco B | 8.27 ± 0.05 | 7.67 ± 0.08 | 8.69 ± 0.12 | −0.57 ± 0.09 | −1.02 ± 0.14 | 7.45 ± 0.07 | 7.46 ± 0.14 |
| GL Car A | 8.18 ± 0.08 | 7.69 ± 0.14 | 8.74 ± 0.12 | −0.67 ± 0.16 | −1.04 ± 0.18 | 7.52 ± 0.12 | 7.50 ± 0.12 |
| GL Car B | 8.21 ± 0.12 | 7.72 ± 0.11 | 8.76 ± 0.12 | −0.52 ± 0.16 | −0.85 ± 0.16 | 7.50 ± 0.13 | 7.44 ± 0.14 |
| V573 Car A | 8.30 ± 0.08 | 7.63 ± 0.10 | 8.67 ± 0.05 | −0.57 ± 0.12 | −0.52 ± 0.11 | 7.58 ± 0.08 | 7.57 ± 0.12 |
| V573 Car B | 8.28 ± 0.05 | 7.76 ± 0.07 | 8.61 ± 0.04 | −0.55 ± 0.09 | −0.94 ± 0.08 | 7.45 ± 0.05 | 7.54 ± 0.13 |
| V346 Cen A | 8.13 ± 0.05 | 7.68 ± 0.05 | 8.70 ± 0.04 | −0.45 ± 0.07 | −1.02 ± 0.06 | 7.70 ± 0.13 | 7.45 ± 0.16 |
| V346 Cen B | 8.33 ± 0.06 | 7.72 ± 0.09 | 8.80 ± 0.07 | −0.61 ± 0.11 | −1.08 ± 0.11 | 7.40 ± 0.14 | 7.35 ± 0.17 |
| This work | 8.27 ± 0.08 | 7.69 ± 0.05 | 8.70 ± 0.06 | −0.58 ± 0.07 | −1.01 ± 0.07 | 7.59 ± 0.14 | 7.49 ± 0.08 |
| OB binaries (a) | 8.25 ± 0.07 | 7.69 ± 0.06 | 8.71 ± 0.05 | −0.56 ± 0.08 | −1.02 ± 0.07 | 7.56 ± 0.12 | 7.45 ± 0.09 |
| B stars (b) | 8.33 ± 0.04 | 7.79 ± 0.04 | 8.76 ± 0.05 | −0.54 ± 0.06 | −0.97 ± 0.06 | 7.56 ± 0.05 | 7.50 ± 0.05 |
Notes. The Teff and log g values used for the construction of the model atmospheres are given in Tables 3 and 8, respectively.
The abundances found for OB binaries in our previous work (Pavlovski et al. 2018).
The ‘present-day cosmic abundances’ for B stars (Nieva & Przybilla 2012).
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