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Fig. 7


a)–d) NST Hα-0.8 Å, Hα-0.4 Å, and Hα line center images showing the interaction of two loop systems (L1 and L2) and the associated C-class flare. The size of each image a)–d) is ~50′′× 35. e), f) NST Hα line center and Hα-0.8 Å images showing the flux rope produced by the interaction of cool loops. The size of each image e), f) is ~57′′× 45. Each division on the x- and y-axes is equal to 1. The coalescence of loops (L1 and L2) and formation of a resulting flux rope is shown in the Hα line center (panel e)) and Hα-0.8 Å (panels a), b), d), and f)) animations available online.

This figure is made of several images, please see below:

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