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Table 1

Instrument descriptions.

Instrument Resolution Range Exp. time
(Å) (s)

FEROS 48 000 3500–9200 60–500
FECH 43 000 4000–7000 300–600
CHIRON 80 000 4100–8700 500–1000
PUCHEROS 20 000 4000–7000 900–1200
UCLES 45 000 3000–7000 300–1200
HARPS 115 000 3800–6700 90

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