Table 1
Journal of spectropolarimetric observations of CU Vir.
mid-UT date | mid-HJD | ϕ | S/N | S/NLSD | ⟨ Bz ⟩ (G) |
|
|||||
2009-03-10 | 2454900.6241 | 0.4697 | 1400 | 22 700 | −274 ± 39 |
2009-03-12 | 2454902.5167 | 0.1043 | 1410 | 24 000 | 758 ± 61 |
2009-03-12 | 2454903.4882 | 0.9700 | 860 | 14 700 | 531 ± 105 |
2009-03-13 | 2454904.4845 | 0.8832 | 1460 | 24 700 | 362 ± 56 |
2009-03-15 | 2454905.5541 | 0.9374 | 1480 | 25 100 | 506 ± 60 |
2009-03-15 | 2454906.4955 | 0.7452 | 1110 | 19 100 | −267 ± 52 |
2009-03-16 | 2454907.4898 | 0.6548 | 1320 | 22 300 | −519 ± 40 |
2009-03-18 | 2454908.5223 | 0.6376 | 1390 | 23 600 | −585 ± 38 |
2009-03-19 | 2454909.5020 | 0.5192 | 1200 | 20 000 | −517 ± 45 |
2009-04-13 | 2454935.4881 | 0.4239 | 1400 | 22 000 | −30 ± 41 |
2009-04-14 | 2454935.5242 | 0.4931 | 1470 | 23 600 | −458 ± 37 |
2009-04-23 | 2454945.4871 | 0.6262 | 930 | 16 000 | −681 ± 55 |
2010-03-29 | 2455284.5805 | 0.8355 | 660 | 10 500 | −97 ± 117 |
2010-04-06 | 2455292.5987 | 0.2341 | 970 | 16 600 | 901 ± 66 |
2010-04-10 | 2455296.5679 | 0.8566 | 1280 | 21 200 | 259 ± 61 |
2010-04-20 | 2455306.5932 | 0.1097 | 1330 | 22 700 | 711 ± 64 |
2011-01-15 | 2455576.7393 | 0.9108 | 1370 | 23 800 | 578 ± 61 |
2011-01-17 | 2455578.7462 | 0.7649 | 1000 | 8700 | −351 ± 124 |
2011-02-04 | 2455596.7326 | 0.3067 | 890 | 12 400 | 563 ± 79 |
2011-03-19 | 2455639.6436 | 0.7151 | 1380 | 22 800 | −439 ± 42 |
2011-03-20 | 2455640.5735 | 0.5011 | 1360 | 22 100 | −574 ± 40 |
2011-04-05 | 2455656.5808 | 0.2422 | 1060 | 17 900 | 707 ± 60 |
2011-04-06 | 2455657.5109 | 0.0284 | 1030 | 17 500 | 942 ± 89 |
2011-05-08 | 2455690.4711 | 0.3269 | 1160 | 18 800 | 505 ± 50 |
Notes. The columns give the UT date at mid-observation, the corresponding heliocentric Julian date, rotational phase, the signal-to-noise ratio per pixel measured at λ = 5400 Å, the signal-to-noise ratio per 3 km s-1 velocity bin in the Stokes V LSD profiles, and the mean longitudinal magnetic field determined from these LSD profiles.
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