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Table 1

Sample of stars and spectra used to test the effects of the uncertainties on the atmospheric parameters.

Type Star Teff log g [Fe/H]PASTEL [Fe/H]here σMC[Fe/H] Instr. S/N
F dwarfs HIP 67927 6161 ± 18 3.82 ± 0.05 0.25 ± 0.01 0.32 ± 0.04 0.015 NARVAL 1073
HIP 32851 6628 ± 89 4.19 ± 0.04 −0.39 ± 0.03 −0.45 ± 0.03 0.048 HARPS 1020
G dwarfs HIP 79672 5824 ± 30 4.42 ± 0.01 0.03 ± 0.01 0.06 ± 0.01 0.020 ELODIE 236
HIP 76976 5788 ± 45 3.75 ± 0.09 −2.48 ± 0.03 −2.42 ± 0.04 0.042 HARPS 419
K dwarf HIP 104214 4398 ± 34 4.63 ± 0.01 −0.13 ± 0.03 −0.33 ± 0.14 0.017 ELODIE 330
Subgiant HIP 95362 5268 ± 18 3.77 ± 0.07 −0.11 ± 0.02 −0.17 ± 0.02 0.011 ELODIE 226
Clump giants HIP 37826 4810 ± 14 2.55 ± 0.03 0.02 ± 0.03 −0.07 ± 0.03 0.010 ELODIE 373
HIP 92167 4902 ± 30 2.53 ± 0.02 −1.45 ± 0.03 −1.51 ± 0.04 0.028 NARVAL 181
Bright giants HIP 69673 4277 ± 23 1.58 ± 0.07 −0.55 ± 0.01 −0.55 ± 0.04 0.006 HARPS 382
HIP 68594 4642 ± 35 1.32 ± 0.03 −2.67 ± 0.02 −2.68 ± 0.05 0.043 HARPS 318

Notes. Teff and log g come from fundamental values (Soubiran et al. 2024), and we also list the [Fe/H] quoted in PASTEL and the one obtained here for that star from TURBOSPECTRUM. We indicate the dispersion in Fe abundance obtained from the 30 random realisations (σMC[Fe/H]).

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