Table 1
Quantitative comparisons of the original and preprocessed vector magnetogramsa.
| Unpreprocessed | ppTW | ppMF | |
|
|
|||
| Total magnetic force | 6.71 × 10-2 | 2.20 × 10-4 | 1.48 × 10-6 |
| Total magnetic torque | 5.50 × 10-2 | 9.83 × 10-5 | 5.83 × 10-5 |
| Net magnetic flux Mf | –0.13 | –0.13 | –0.15 |
| max |α(x,y,z = 0)| | 2.73 | 1.22 | 2.00 |
| ⟨ |α(x,y,z = 0)| ⟩ | 0.057 | 0.055 | 0.062 |
Notes.
The total magnetic force, the total magnetic torque, and the net magnetic flux are given in normalized, dimensionless forms (cf. text), and α is measured in pixel-1 (1 pixel = 580 km). The total magnetic force and the total magnetic torque are calculated for the enlarged, 320 × 320 pixel2 magnetogram, the other quantities for the smaller area where the magnetic vector was measured.
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