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Table 5

Accuracy per measurement of the radial velocity observations.

Original uncertainties Normalised uncert.
γ Psc N σ noise σmeas. σnoise σmeas.
[m s-1] [m s-1] [m s-1] [m s-1]

HERMES 1316 0.3 7.3 0.3 7.4
COARALIE 1946 0.2 7.2 0.2 6.6
HIDES 1306 0.1 4.2 0.1 3.6
SOPHIE 485 0.6 10.8 0.5 8.7

All 5053 0.1 7.0 0.1 5.4


θ1 Tau N σ noise σ meas. σ noise σ meas.
[m s-1] [m s-1] [m s-1] [m s-1]

HERMES 1286 0.1 3.5 0.1 4.1
COARALIE 790 0.2 4.4 0.2 4.5
HIDES 1283 0.1 2.3 0.1 2.1
SOPHIE 360 0.6 9.7 0.4 6.1

All 3719 0.1 4.3 0.1 3.0

Notes. N gives the number of data points finally used in the single-site data set. σnoise reports the average noise amplitude in the frequency range between 1000 and 1200 μHz. σmeas. is the average measurement uncertainty in a data set.

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