Nonlinear Force-free Modeling of a Three-dimensional Sigmoid Observed on the Sun
ASTROPHYSICAL JOURNAL, 2012.
In this work, we analyze the characteristics of the three-dimensional magnetic structure of a sigmoid observed over an active region (AR 10930) and followed by X-class flares. This is accomplished by combining a nonlinear force-free field (NLFFF) model of a coronal magnetic field and the high-resolution vector-field measurement of a photo...More
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