Fig. 15

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Nightly zero point, shown as black dots, for each night when at least three different targets were observed. The date of the fiber link upgrade is highlighted with a dashed red line. The zero-centered RV of each target, observed in the night, is represented by a blue cross. The above were derived with results obtained with the following methodologies: ESPRESSO DRS (top); classical (middle); S-BART (bottom).
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