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Table 6
Spectroscopic parameters for both components of WASP 0639-32 obtained using equivalent width fitting, for cases where the surface gravity was free and where it was fixed at photometric values.
| Parameter | Primary | Secondary | ||
|---|---|---|---|---|
| Free | Fixed | Free | Fixed | |
| Teff (K) | 6730 ± 30 | 6320 ± 10 | 5490 ± 100 | 5420 ± 90 |
| loggs | 4.65 ± 0.05 | 3.97 | 4.88 ± 0.13 | 4.61 |
| vmic (km s-1) | 1.61 ± 0.01 | 1.49 ± 0.01 | 2.67 ± 0.18 | 2.61 ± 0.18 |
| [Fe∕H] | − 0.10 ± 0.01 | − 0.33 ± 0.01 | − 0.38 ± 0.06 | − 0.45 ± 0.05 |
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