Table 2.
Summary of the different statistics reached with the automatic mode of RASSINE.
| α Cen B | α Cen B | |||
|---|---|---|---|---|
| Statistics | 2008 | 2010 | Sun | Sun (IAG) |
| Continuum accuracy | 2.0 | 2.0 | 0.29 | 0.67 |
| Accuracy (λ > 4500 Å) | 1.4 | 1.2 | 0.20 | 0.58 |
| Line-depth precision | 0.17 | 0.14 | 0.12 | – |
| Line-depth precision (clust.) | 0.13 | 0.10 | 0.11 | – |
| Line-depth precision (clust. + filt.) | 0.11 | 0.08 | 0.10 | – |
| σphot | 0.12 | 0.09 | 0.05 | – |
Notes. Only the continuum accuracy and line-depth precision obtained using the linear interpolated continuum are displayed. We also show for comparison with line-depth precision the average error induced by photon noise. The three values of line-depth precision are for individual spectra normalisation, time series of spectra normalised with clustering, and time series of spectra normalised with clustering and filtering. All the values are in percent.
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