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Table 1
Main properties of the benchmark stars with ESPRESSO, PEPSI, and HARPS observations.
| Star | S∕NESPRESSO | S∕NPEPSI | S∕NHARPS | Teff (K) | log g (dex) | [Fe/H] (dex) | v sin i (km s−1) |
|---|---|---|---|---|---|---|---|
| 18 Sco | 570 | 1040 | 400 | 5810 ± 80 | 4.44 ± 0.03 | 0.01 ± 0.03 | 2.2 ± 1.2 |
| Arcturus | 570 | 3000 | 400 | 4286 ± 35 | 1.64 ± 0.09 | −0.53 ± 0.08 | 3.8 ± 1.0 |
| Procyon | 380 | 1040 | 1470 | 6554 ± 84 | 4.00 ± 0.02 | −0.04 ± 0.08 | 2.8 ± 0.6 |
| β Vir | 690 | 330 | 1230 | 6083 ± 41 | 4.10 ± 0.02 | 0.21 ± 0.07 | 2.0 ± 0.6 |
| β Gem | 520 | 1850 | 280 | 4858 ± 60 | 2.9 ± 0.08 | 0.12 ± 0.16 | 2.0 ± 1.0 |
| ɛ Eri | 1510 | 1800 | 1330 | 5076 ± 30 | 4.61 ± 0.03 | −0.10 ± 0.06 | 2.4 ± 0.2 |
| ɛ Vir | 570 | 450 | 580 | 4983 ± 61 | 2.77 ± 0.02 | 0.13 ± 0.16 | 2.0 ± 1.0 |
| HD 107328 | 600 | 1110 | 370 | 4496 ± 59 | 2.09 ± 0.13 | −0.34 ± 0.16 | 1.9 ± 1.2 |
| HD22879 | 600 | 540 | 1270 | 5868 ± 89 | 4.27 ± 0.04 | −0.88 ± 0.05 | 4.4 ± 1.0 |
| Sun | 540 | 4550 | 1320 | 5771 ± 1 | 4.44 ± 0.00 | 0.02 ± 0.05 | 1.6 ± 0.3 |
| τ Cet | 570 | 1650 | 2150 | 5414 ± 21 | 4.49 ± 0.02 | −0.50 ± 0.03 | 0.4 ± 0.4 |
Notes. The stellar parameters are from Jofré et al. (2015).
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