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Table 1
Repartition of HARPS observations.
| Periods | N obs | Total S/N | Average epoch |
| (year) | at 3860 Å | (year) | |
|
|
|||
| 2003–2004 | 255 | 962 | 2004.025 |
| 2004–2007 | 42 | 390 | 2006.235 |
| 2007–2008 | 198 | 492 | 2008.203 |
| 2008–2009 | 417 | 909 | 2009.070 |
| 2009–2010 | 54 | 278 | 2009.847 |
| 2010–2011 | 207 | 467 | 2011.081 |
| 2013–2014 | 453 | 799 | 2013.929 |
| 2014–2015 | 60 | 493 | 2015.091 |
Notes. The S/N is calculated next to the main Fe I line between 3859.30 Å and 3859.70 Å.
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