Table 3:
Summary of the properties of flare or nonflare activity in AR 8210 for
the sunspot rotation and the fast moving polarity. The magnetic energy and the
magnetic helicity are global quantities therefore we just mention the
characteristic evolution of both quantities before and after a flare
associated with BSEs. (SW = South-West)
| |
Sunspot rotation |
Emerging, fast |
| |
|
moving polarity |
| Flare |
Yes |
No |
| Flare location |
A, B, F |
|
| Field strength |
-1500 G |
-400 G |
| Reconnection |
Yes |
Yes |
| Topology |
Spine |
Fan |
| Field line height |
15-30 Mm |
<15 Mm |
| BSEs |
Yes |
No |
| Photospheric motion |
slow rotation |
fast SW motion |
| |
few degrees/hour |
 0.7 km s-1 |
| Magnetic Energy |
before: injection |
| |
after: release |
| Magnetic Helicity |
before: injection of negative helicity |
| |
after: relaxation |
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