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Table 2

Observatories participating in the campaign.

Instrument Technique Telescope Location Calibr. R N γ Psc N θ1 Tau Spectra Observer

HERMES Spec. 1.2 m Mercator La Palma/Spain ThArNe 46 000 1339 1329 2668 PGB, MH, SB, et al.
CORALIE Spec. 1.2 m Euler La Silla/Chile ThAr 62 000 1949 792 2741 PGB, SS
HIDES Spec. 1.88 m telesc. Okayama/Japan Iodine 50 000 1306 1284 2590 EK, AH, PGB
SOPHIE Spec. 1.93 m telesc. OHP/France ThAr 75 000 485 360 845 PM
SARG Spec. 3.58 m TNG La Palma/Spain Iodine 46 000 RO

AMBER Interf. VLTI Paranal/Chile 30 SB

Notes. The first four columns list the instrument, technique, telescope and its observing site used for the observations. The abbreviations ThAr, ThArNe, and iodine of the applied calibration methods stand for simultaneous ThAr or ThArNe reference and iodine cell, respectively. The spectral resolution R of the utilised observing mode is provided. The next three columns list the numbers of spectra taken for γ Psc, θ1 Tau, and in total per telescope. The last column lists the initials of the main observers at the telescope. All observers are listed as coauthors.

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