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Fig. 8.


Moving Type IV centroids at 298 MHz split into two phases: a stationary phase (panel a) and a moving phase (panel b). The centroids are overlaid on AIA 171 Å (panel a) and SWAP 174 Å (panel b) running-difference images that show the expansion of coronal loops in the negative x-direction behind the CME. The movement of the radio sources in panel b is coincident with the outward growth of the cusp-shaped loop system.

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