Table A.1.
List of median activity indices and standard deviations for our stars.
| Date | UT | ncyc | texp | S/N | σLSD | logR′HK | Hα | Ca II IRT | Bl |
|---|---|---|---|---|---|---|---|---|---|
| [hh:mm:ss] | [s] | [10−5Ic] | [G] | ||||||
| 2018 | |||||||||
| Aug 19 | 01:58:56 | 0.00 | 4x600.0 | 450 | 4.3 | −4.406 ± 0.022 | 0.324 ± 0.001 | 0.867 ± 0.003 | −4.6 ± 1.0 |
| Aug 20 | 01:06:47 | 0.13 | 4x600.0 | 534 | 3.2 | −4.413 ± 0.018 | 0.323 ± 0.001 | 0.860 ± 0.002 | −3.7 ± 0.8 |
| Aug 21 | 01:35:49 | 0.26 | 4x600.0 | 453 | 4.2 | −4.410 ± 0.024 | 0.323 ± 0.001 | 0.867 ± 0.002 | 1.0 ± 1.0 |
| Aug 22 | 01:27:16 | 0.39 | 4x600.0 | 597 | 2.9 | −4.370 ± 0.015 | 0.324 ± 0.001 | 0.871 ± 0.002 | 0.8 ± 0.7 |
| Aug 23 | 01:52:38 | 0.52 | 4x600.0 | 461 | 4.2 | −4.350 ± 0.020 | 0.326 ± 0.001 | 0.883 ± 0.002 | 1.7 ± 0.9 |
| Aug 24 | 00:26:20 | 0.64 | 4x600.0 | 439 | 4.6 | −4.354 ± 0.024 | 0.328 ± 0.001 | 0.890 ± 0.003 | 1.0 ± 1.0 |
| Aug 27 | 01:53:18 | 1.04 | 4x600.0 | 509 | 3.4 | −4.413 ± 0.022 | 0.323 ± 0.001 | 0.864 ± 0.002 | −2.1 ± 0.9 |
| Aug 28 | 02:46:09 | 1.18 | 4x600.0 | 534 | 3.2 | −4.414 ± 0.017 | 0.321 ± 0.001 | 0.855 ± 0.002 | −3.2 ± 0.8 |
| Sep 22 | 23:41:26 | 4.55 | 4x600.0 | 440 | 4.1 | −4.352 ± 0.022 | 0.326 ± 0.001 | 0.876 ± 0.003 | 2.0 ± 1.0 |
| Sep 24 | 23:16:43 | 4.81 | 4x600.0 | 367 | 5.2 | −4.364 ± 0.027 | 0.327 ± 0.002 | 0.870 ± 0.003 | −3.2 ± 1.2 |
| Sep 25 | 24:04:11 | 4.94 | 4x600.0 | 473 | 3.5 | −4.379 ± 0.019 | 0.325 ± 0.001 | 0.866 ± 0.002 | −5.7 ± 0.9 |
| Sep 27 | 00:30:02 | 5.07 | 4x600.0 | 418 | 3.9 | −4.392 ± 0.024 | 0.327 ± 0.001 | 0.864 ± 0.003 | −3.3 ± 1.1 |
| Sep 28 | 00:25:54 | 5.20 | 4x600.0 | 605 | 2.9 | −4.386 ± 0.013 | 0.327 ± 0.001 | 0.857 ± 0.002 | 0.3 ± 0.7 |
| Oct 03 | 23:21:19 | 5.98 | 4x600.0 | 367 | 5.0 | −4.383 ± 0.029 | 0.328 ± 0.002 | 0.863 ± 0.003 | −4.2 ± 1.2 |
| Oct 05 | 23:34:60 | 6.24 | 4x600.0 | 616 | 3.0 | −4.401 ± 0.014 | 0.326 ± 0.001 | 0.853 ± 0.002 | −2.3 ± 0.7 |
| Oct 08 | 21:31:13 | 6.62 | 4x600.0 | 416 | 4.5 | −4.338 ± 0.022 | 0.328 ± 0.001 | 0.885 ± 0.003 | 0.6 ± 1.1 |
Notes. Columns (1 and 2) Date and universal time of the observations; (3) Rotational cycle of the observations found using Eq. 1; (4) Exposure time of a polarimetric sequence, (5) S/N at 650 nm per polarimetric sequence; and (6) RMS noise level of Stokes V signal in units of an unpolarised continuum.
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