Non-Potential AR Structure
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There is nothing potential-looking about the magnetic field structure
of AR 10940 as it nears the limb. Where Hinode/XRT sees a
detailed sigmoid composed of discontinuous, distinguishable threads
highly interwoven with the surrounding plasma, Yohkoh only
saw a continuous, S-shaped formation. Yohkoh S-shaped
formations were extensively studied by Canfield et al. (1996, 1998,
1999) and by Rust & Kumar (1996).
Keywords: Sigmoid |
(Prepared by Monica Bobra)
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