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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] | ||
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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 |
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All | 5053 | 0.1 | 7.0 | 0.1 | 5.4 |
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θ1 Tau | N | σ noise | σ meas. | σ noise | σ meas. |
[m s-1] | [m s-1] | [m s-1] | [m s-1] | ||
|
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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 |
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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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