Table 1
UVES instrument setups used.
| Setting | Arm | Slit width | Resolving | Spectral range | |
| (nm) | (′′) | power | (nm) | ||
|
|
|||||
| 346 | blue | 0.4 | 71 000 | 304.2–387.2 | |
| 564 | red-L | 0.3 | 107 000 | 461.6–560.8 | |
| red-U | 566.9–665.3 | ||||
|
|
|||||
| 437 | blue | 0.4 | 71 000 | 375.2–498.8 | |
| 860 | red-L | 0.3 | 107 000 | 670.4–853.9 | |
| red-U | 866.0–1042.0 | ||||
Notes. The two spectrograph arms are used to collect data for a pair of wavelength regions simultaneously. A second setup allows the gaps to be covered with another pair of settings. For each setting we give the slit width, nominal resolving power, and nominal wavelengths covered. Red-L and Red-U refer to the spectra recorded with the Red Lower EEV CCD and the Red Upper MIT CCD (cf. Sect. 5).
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