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Table 1

Specifications of the spectroscopic observation.

Spect. # R N° nights Observatory Exp. time (s)

HARPS 104 80 000 12 ESO-La Silla 1200
FOCES 155 65 000 21 Calar Alto 900
SOPHIE 81 75 000 9 Haute-Provence 700

Notes. The columns list the spectrograph used for each observation, the number of spectrograms (#), the resolving power R, the number of nights, the observatory, and the exposure time.

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