Open Access
Table 1
Radial velocity data summary.
| Instrument | N | σ (m s−1) |
|---|---|---|
| Historical | 18 | 1500 |
| CORAVEL | 19 | 260 |
| Hamilton | 158 | 2.5 |
| HIRES | 92 | 2.0 |
| APF | 558 | 1.1 |
| SONGold | 834 | 2.9 |
| SONGnew | 97 | 2.6 |
Notes. N designates the number of observations used in our analysis, and σ denotes the median of the formal uncertainties.
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