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Table 1
Logbook of the HARPS spectropolarimetric observations.
| Object name | HJD | Phase | S/N | Exp. time |
| 2 450 000+ | [s] | |||
|
|
||||
| HD 101412 | 6337.801 | 0.131 | 101 | 4 × 700 |
| 6337.835 | 0.132 | 103 | 4 × 700 | |
| 6338.832 | 0.156 | 104 | 4 × 700 | |
| 6339.709 | 0.176 | 92 | 4 × 600 | |
| 6341.732 | 0.225 | 76 | 4 × 600 | |
| 6342.634 | 0.246 | 58 | 4 × 600 | |
| 6344.782 | 0.297 | 60 | 4 × 600 | |
|
|
||||
| HD 104237 | 5319.714 | 170 | 8 × 130 | |
|
|
||||
| HD 190073 | 5705.933 | 157 | 4 × 700 | |
| 6146.715 | 38 | 2 × 1800 | ||
Notes. The number and duration of the sub-exposures is presented in the last column. The phases of HD 101412 are based on the rotation period of 42.076 d determined by Hubrig et al. (2011b).
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