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Table 2
Spectrograph details: resolving power and spectral ranges.
| Instrument | Resolving power | Spectral range | Number of |
| λ/Δλ | Å | stars | |
|
|
|||
| FEROS | 48 000 | 3600–9200 | 17 |
| FIES | 67 000 | 3700–7300 | 2 |
| HARPS | 100 000 | 3800–7000 | 7 |
| SARG | 57 000–86 000 | 5100–10 100 | 1 |
| SOPHIE | 75 000 | 3820–6920 | 3 |
| UVES | 110 000 | 3000–6800 | 18 |
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