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Table 1
Magnetic field measurements for three stars obtained with the ISIS instrument.
| Star: | WD 2047+372 | HD 215441 | HD 201601 | |||||||||
| Epoch: | 2015-09-01 01:58 UT | 2015-08-29 05:56 UT | 2015-08-31 03:06 UT | |||||||||
| Exp. time, peak S/N: | 3360 s, 576 per Å | 960 s, 1740 per Å | 120 s, 3770 per Å | |||||||||
| ⟨ Bz ⟩ (G) | ⟨ Nz ⟩ (G) | ⟨ Bz ⟩ (G) | ⟨ Nz ⟩ (G) | ⟨ Bz ⟩ (G) | ⟨ Nz ⟩ (G) | |||||||
|
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| Hα | 790 ± 430 | 910 ± 400 | 14 160 ± 71 | 50 ± 77 | −525 ± 94 | 39 ± 32 | ||||||
| Hβ | 940 ± 1000 | 185 ± 960 | 16 525 ± 300 | 45 ± 160 | −680 ± 67 | −36 ± 57 | ||||||
| Hγ | 490 ± 1080 | −730 ± 1200 | 17 550 ± 230 | −20 ± 170 | −700 ± 70 | 106 ± 45 | ||||||
| Hδ–H9 | + 40 ± 1070 | −75 ± 1130 | 18 050 ± 140 | −55 ± 85 | −505 ± 48 | −147 ± 38 | ||||||
| All H lines | 610 ± 240 | −715 ± 240 | 17 785 ± 115 | −50 ± 65 | −520 ± 33 | −44 ± 19 | ||||||
| blue metal lines | 12 510 ± 100 | 130 ± 35 | −1036 ± 30 | −50 ± 15 | ||||||||
| red metal lines | 5090 ± 170 | 50 ± 25 | −1050 ± 20 | 50 ± 10 | ||||||||
Notes. “Blue metal lines” and “red metal lines” are all spectral lines in the regions not occupied by H Balmer lines, detected in the blue and red arm, respectively.
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