Table 6
Derived abundances for the fast rotators HD 149757 and HD 163892 for different models (spherical case vs. flattened star seen under different inclinations).
| Star | i [°] | Abundances | |||||||||||||||
|
|
|||||||||||||||||
| C | N | O | |||||||||||||||
|
|
|||||||||||||||||
| (1) | (2) | Av. | |||||||||||||||
|
|
|||||||||||||||||
| Sph. case | 7.98 | 7.92 | 8.50 | 8.36 | 8.43 | ||||||||||||
| HD 149757 (HARPS) | 45 | 7.82 | 7.82 | 8.45 | 8.30 | 8.38 | |||||||||||
| 60 | 8.06 | 7.91 | 8.50 | 8.35 | 8.43 | ||||||||||||
| 90 | 7.98 | 7.92 | 8.50 | 8.35 | 8.43 | ||||||||||||
|
|
|||||||||||||||||
| Sph. case | 8.24 | 7.34 | 8.44 | 8.32 | 8.38 | ||||||||||||
| HD 163892 (FEROS) | 45 | 8.24 | 7.37 | 8.45 | 8.33 | 8.39 | |||||||||||
| 60 | 8.24 | 7.37 | 8.45 | 8.33 | 8.39 | ||||||||||||
| 90 | 8.24 | 7.37 | 8.45 | 8.33 | 8.39 | ||||||||||||
Notes. (1) and (2) refer to the spectral regions 4060–4082 and 4691–4709 Å, respectively. “Av.” refers to the average of the oxygen abundances derived in the two regions.
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