Fig. 7

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Distribution of ∆ = υrad,Nacre,best − υrad,GES for HR10 (left) and HR21 (right) observations where υrad,GES is the recommended Gaia-ESO RV. We show in black the case S/N ≥ 0 and in red, the case S/N ≥ 3. The mean, standard deviation and interquartile range of each distribution, expressed in km s−1, are: (−0.24, 1.47, 0.67) for HR10 with S/N > 0; (−0.25, 1.23, 0.56) for HR10 with S/N > 3; (0.07, 3.77, 1.05) for HR21 with S/N > 0; (0.07,3.77,1.03) for HR21 with S/N > 3. The number of objects in a given selection is indicated in the legend box. For HR21 (right), the two histograms are almost identical and the black one is not visible.
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