An M1.5 Flare Triggered by a Multireconnection Process
作者： P. Romano , F. Zuccarello , L. Contarino
DOI: 10.1007/S11207-006-0287-Y
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摘要: We studied the magnetic configuration of active region NOAA 10672, where two different mechanisms seem to contribute its instability, subsequent M1.5 flare, and a halo CME. The analysis full-disk SOHO/MDI magnetograms WL 171 A TRACE images shows in fact that both flux emergence horizontal displacements photospheric concentrations have key role triggering event. On basis these pre-flare mechanisms, we provide description multireconnection process able explain flare evolution observed by TRACE, as well two-step profile X-ray emission 1 – 8 band. Moreover, this work highlights some signatures can be considered precursors.
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