Fig. 2.

Standard deviations of the effective temperature estimates for the 199 HARPS spectra. Top panel: entire set of 257 LDR calibrations used in the current investigation (KG00 ∩ K07 ∩ K18) is compared with the 32 calibrations provided by KG00. Bottom panel: same as in top panel, but the comparison is between this study and the calibrations provided by KG00 ∩ K07.
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