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Table 2.

Typical radial velocity error of observed stars in the faintest 0.5 mag bin as derived from Eq. 2 for [Fe/H] = −1 dex (MP) and [Fe/H] = +0.5 dex (MR).

Field S/N ɛ RV (MP) km s−1 ɛ RV (MR) km s−1
p0m2 20 6.3 4.5
m1p2 15 8.4 6.1
p0p2 10 12.8 9.2
p1m1 a 10 7.4 6.8

Notes.

(a)

For this field the faintest stars are giants, therefore we have used Eq. (1).

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