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Table 1
Number of observed stars, total number of observations, number of main-sequence (MS), turn-off (TO), giant stars (G) observed for each instrument.
| Istrument | HARPS | SOPHIE | HET | CORALIE |
|
|
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| N obs.Stars | 88 | 54 | 15 | 17 |
| Observations | 409 | 78 | 70 | 123 |
| MS stars | 58 | 42 | 7 | |
| TO stars | 7 | 2 | 4 | |
| G stars | 23 | 10 | 4 | 17 |
| Period | 2008–2011 | 2008–2011 | 2010–2011 | 2003–2005 |
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