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Table 3
Internal uncertainties for the surface parameters and RV in bins of Teff and v sin i computed from a sample of 1000 simulated noiseless FEROS spectra.
| Internal uncertainty | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Parameter | Bin 1 | Bin 2 | Bin 3 | Bin 4 | Bin 5 | Bin 6 | Bin 7 | Bin 8 | Bin 9 | Bin 10 |
| As function of Teff | ||||||||||
| Bin (kK) | 6–7.9 | 7.9–9.8 | 9.8–11.7 | 11.7–13.6 | 13.6–15.5 | 15.5–17.4 | 17.4–19.3 | 19.3–21.2 | 21.2–23.1 | 23.1–25 |
| Teff (K) | 211 (3%) | 321 (4%) | 226 (2%) | 161 (1%) | 267 (2%) | 334 (2%) | 438 (2%) | 515 (3%) | 597 (3%) | 679 (3%) |
| log g (dex) | 0.29 | 0.17 | 0.10 | 0.05 | 0.05 | 0.05 | 0.06 | 0.07 | 0.08 | 0.10 |
| v sin i (km s−1) | 11 | 18 | 14 | 10 | 11 | 10 | 10 | 9 | 9 | 12 |
| ξ (km s−1) | 1.3 | 1.9 | 2.1 | 1.9 | 2.1 | 2.0 | 2.3 | 2.2 | 2.1 | 3.3 |
| [M/H] (dex) | 0.19 | 0.18 | 0.15 | 0.11 | 0.10 | 0.09 | 0.10 | 0.11 | 0.11 | 0.12 |
| RV(km s−1) | 2.1 | 1.3 | 0.5 | 0.3 | 0.3 | 0.4 | 0.5 | 1.0 | 1.1 | 1.0 |
| As function of v sin i | ||||||||||
| Bin (km s−1) | 40–80 | 80–120 | 120–160 | 160–200 | 200–240 | 240–280 | 280–320 | 320–360 | 360–400 | |
| Teff (K) | 509 | 374 | 433 | 315 | 380 | 402 | 378 | 479 | 434 | 418 |
| log g (dex) | 0.09 | 0.08 | 0.10 | 0.10 | 0.09 | 0.11 | 0.13 | 0.17 | 0.13 | 0.16 |
| v sin i (km s−1) | 8 | 9 | 9 | 10 | 10 | 9 | 12 | 12 | 11 | 15 |
| ξ(km s−1) | 2.5 | 2.7 | 2.0 | 1.8 | 1.9 | 2.0 | 1.7 | 2.0 | 2.3 | 2.6 |
| [M/H] (dex) | 0.09 | 0.10 | 0.10 | 0.09 | 0.11 | 0.11 | 0.11 | 0.21 | 0.14 | 0.15 |
| RV (km s−1) | 0.2 | 0.4 | 0.5 | 1.0 | 0.4 | 0.5 | 0.7 | 1.8 | 1.1 | 1.6 |
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