Fig. 3.
Left: images of PROBA2/SWAP 174 Å for three different times during Event 1 (from top to bottom: 14:26:10 UT, 14:28:00 UT, 14:37:10 UT). Right insets: zoom into the region of interest. The simulated wave front is displayed with white and red points on top of a background of PROBA2/SWAP running-difference images. Two different viewing angles for the same moment are shown, one that represents the PROBA2 viewing position and one tilted viewing position (19° in azimuth) that was selected to optimize the visibility of the simulated wave front. The red points are identified candidates for the type II radio burst emission (see Sect. 2.4).
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