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Table 2.
Summary of HC-FP wavelength solution performances.
| Method FP1 | Method FP2 | ||
|---|---|---|---|
| R11 catalogue | Global internal error | 0.18 m s−1 | 0.12 m s−1 |
| Local night-to night variation | 3.1 m s−1 | 1.5 m s−1 | |
| HC+FP lines used | 23 612 | 21 662 | |
| R11+S18 catalogue | Global internal error | 0.18 m s−1 | 0.12 m s−1 |
| Local night-to night variation | 3.0 m s−1 | 1.9 m s−1 | |
| HC+FP lines used | 23 691 | 21 874 | |
| Selected lines | Global internal error | 0.18 m s−1 | 0.13 m s−1 |
| Local night-to night variation | 4.3 m s−1 | 3.3 m s−1 | |
| HC+FP lines used | 22 990 | 20 466 | |
| Fixed cavity width | Global internal error | NA | 0.14 m s−1 |
| Local night-to night variation | NA | 0.8 m s−1 | |
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