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RAPID PENUMBRA AND LORENTZ FORCE CHANGES IN AN X1.0 SOLAR FLARE

  • Authors: Zhe Xu, Yunchun Jiang, Jiayang Yang, Bo Yang, Yi Bi, and Shunping Yu

2016 The Astrophysical Journal Letters 820 L21.

  • Provider: AAS Journals

Caption: Figure 1.

(a) HMI intensity image and (b) line of sight magnetogram showing the general pre-flare configurations of AR 11890, with the black box enclosing the flare region. The arrows indicate the small positive sunspot in the following negative-polarity part of the AR. The field of view (FOV) is 250″ × 170″.

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