Table 4
Main stellar parameters of our sample BSGs. The uncertainties are discussed in Sect. 4.
| Star | HD206165 | HD198478 | HD53138 | HD164353 | Sun (A09) | |
|---|---|---|---|---|---|---|
| Sp. type | B2Ib | B2.5Ia | B3Ia | B5Ib/II | G2V | |
| Teff | [kK] | 18.0±1.0 | 16.0±1.0 | 16.0±1.0 | 15.0±1.0 | 5.8 |
| log g | [cgs] | 2.45±0.15 | 2.15±0.15 | 2.15±0.15 | 2.50±0.15 | 4.43 |
| log(L/L⊙) | – | 5.07±0.10 | 5.57±0.10 | 12.0±0.15 | 4.05±0.15 | 0.0 |
| M | [M⊙] | 13.0±5.2 | 33.0±12.8 | 12.0±6.0 | 2.8±1.4 | 1.0 |
| ξmin | [km s−1] | 15 | 17 | 20 | 23 | |
| υ sin i | [km s−1] | 39 | 38 | 38 | 25 | |
| υmac | [km s−1] | 59 | 54 | 56 | 52 | |
| XC | – | −3.47(7.60) | −3.29(7.78) | −3.29(7.78) | −3.14(7.93) | −2.62(8.43) |
| XN | – | −3.00(8.00) | −2.61(8.40) | −2.68(8.32) | −2.61(8.40) | −3.15(7.83) |
| XO | – | −2.43(8.52) | −2.71(8.23) | −2.58(8.36) | −2.41(8.53) | −2.24(8.69) |
Notes. The solar values are in the table only for comparative purposes. CNO values are given in the logarithm of the total mass fraction. The subscripts show the corresponding chemical abundance values in units of 12 + log(nC,N,O/nH). A09 stands for Asplund et al. (2009).
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