Table 3
Atmospheric parameters and metal abundances derived in this work for the slow rotators.
| Star | T eff [K] | log g | log ϵ(C)4060–4082 Å | log ϵ(N)4995–5011 Å | log ϵ(O) | |||||
| y |
|
[N/C] | [N/O] | |||||||
| 4060–4082 Å | 4691–4709 Å | Adopted | ||||||||
|
|
||||||||||
| ξ1 CMa | 28 200 | 3.90 | 0.105 | 7.90 | 7.84 | 8.40 | 8.54 | 8.47 | –0.06 | –0.63 |
| 28 500 | 4.00 | 0.112 | 8.10 | 7.80 | 8.46 | 8.60 | 8.53 | –0.30 | –0.73 | |
|
|
||||||||||
| τ Sco | 31 200 | 4.30 | 0.083 | 8.18 | 7.90 | 8.27 | 8.50 | 8.39 | –0.28 | –0.49 |
| 31 000 | 4.40 | 0.083 | 8.40 | 7.90 | 8.24 | 8.62 | 8.43 | –0.50 | –0.53 | |
|
|
||||||||||
| HD 57682 | 33 400 | 4.00 | 0.082 | 8.06 | 7.60 | 8.24 | 8.26 | 8.25 | –0.46 | –0.65 |
| 33 300 | 4.00 | 0.083 | 7.98 | 7.76 | 8.42 | 8.30 | 8.36 | –0.22 | –0.60 | |
|
|
||||||||||
| 10 Lac | 34 300 | 4.20 | 0.077 | 8.22 | 7.42 | 8.34 | 8.28 | 8.31 | –0.80 | –0.89 |
| 34 000 | 4.20 | 0.072 | 8.20 | 7.80 | 8.48 | 8.24 | 8.36 | –0.40 | –0.56 | |
|
|
||||||||||
| Typical errors | 1000 | 0.10 | 0.025 | 0.12 | 0.13 | ... | ... | 0.21 | 0.21 | 0.12 |
Notes. For each star, the first row gives our nominal results, while the second row (in italics) provides the results obtained with spectra convolved with v sin i= 300 km s-1. Note that solar [N/C] and [N/O] abundance ratios are –0.60 and –0.86, respectively (Asplund et al. 2009).
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