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Table 1
Observation log.
| Name | Instr. | Date | Exp. time | SNR |
| (dd/mm/yyyy) | (s) | (at 430 nm) | ||
|
|
||||
| BH Cru | C | 03/08/2009 | 4 × 1800 | 12 |
| RU Vul | H | 04/07/2009 | 300 + 2 × 600 | 30 |
| T UMi | H | 04/07/2009 | 4 × 1800 | 20 |
|
|
||||
| R Aql | H | 04/07/2009 | 900 + 2 × 300 | 50 |
| R Hya | H | 13/02/2010 | 2 × 400 | 60 |
| W Dra | H | 15/08/2009 | 3 × 1800 | +~0 |
|
|
||||
| R Nor | C | 17/08/2010 | 2 × 1800 | 20 |
| S Her | H | 22/10/2009 | 630 + 2 × 1200 | 30 |
| S Ori | H | 13/02/2010 | 3 × 1800 | 15 |
| T Cep | H | 25/10/2009 | 2 × 1200 | 140 |
| W Hya | H | 13/02/2010 | 3 × 150 | 50 |
|
|
||||
| T Her | H | 04/07/2009 | 2 × 800 | 70 |
Notes. The meaning of the columns is as follows: (1) name listed in Simbad; (2) instrument used (H: Hermes, C: Coralie); (3) mean date of the observations; (4) exposure times of the spectra in seconds; (5) approximate SNR at 430 nm.
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