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Table 1
Standard deviation, σ, of the relation between the impact of the atmosphere and the radial velocity of the star, depending on the airmass at the time of the observation.
| Spect. type | Airmass | σ |
| [m s-1] | ||
|
|
||
| G2 (synth.) | 1.0 | 0.173 |
| 1.15 | 0.199 | |
| 2.0 | 0.336 | |
|
|
||
| G8 | all | 0.139 |
| < 1.15 | 0.118 | |
|
|
||
| K5 | all | 0.085 |
| < 1.15 | 0.83 | |
|
|
||
| M1 | all | 0.555 |
| < 2.0 | 0.546 | |
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