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Magnetohydrodynamic Simulations for Studying Solar Flare Trigger Mechanism
Johan Muhamad, Kanya Kusano, Satoshi Inoue +1
In order to understand the flare trigger mechanism, we conducted three-dimensional magnetohydrodynamic simulations using a coronal magnetic field model derived from data observed b…
Hall-mediated magnetic reconnection and onset of plasmoid instability
G. Vekstein, K. Kusano
We investigate a role of the Hall-effect in the current sheet evolution and onset of the secondary tearing (plasmoid) instability in the framework of the incompressible resistive H…
Study on Precursor Activity of the X1.6 Flare in the Great AR 12192 with SDO, IRIS, and Hinode
Y. Bamba, K. S. Lee, S. Imada +1
The physical properties and its contribution to the onset of solar flare are still unclear although chromospheric brightening is considered a precursor phenomenon of flare. Many st…
Triggering Process of the X1.0 Three-ribbon Flare in the Great Active Region NOAA 12192
Yumi Bamba, Satoshi Inoue, Kanya Kusano +1
The solar magnetic field in a flare-producing active region (AR) is much more complicated than theoretical models, which assume a very simple magnetic field structure. The X1.0 fla…
High-resolution observations of flare precursors in the low solar atmosphere
Haimin Wang, Chang Liu, Kwangsu Ahn +9
Solar flares are generally believed to be powered by free magnetic energy stored in the corona, but the build up of coronal energy alone may be insufficient for the imminent flare…