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Table A.1.

Other major eruptive activity associated with NOAA AR 11726 omitted from this article. The table does not include all flares, for which a thorough listing of ≥C-class events can be found, e.g., from the Solar Monitor https://www.solarmonitor.org/. The classifications are based on our general study of the events as well as on the classifications of the low-coronal signatures defined by Yardley et al. (2018). Column entitled “simulation structures” contains information about the associated features in our data-driven simulation (Sect. 3).

Time Classification Flares Coronagraph observations Simulation structures
20 April 2013 Flare at a coronal null C1.1 03:27 UT None Null point at correct position
03:27 UT in the main AR complex

20 April 2013 Rapid expansion and C1.4 07:54 UT Possibly associated Sheared arcades
08:00 UT disappearance of EUV loops STEREO B COR 2 CME

22 April 2013 Narrow CME/jet C2.9 22:37 UT STEREO A COR 2
22:55 UT C1.5 22:47

23 April 2013 3 narrow CMEs and C8.2 14:05 UT STEREO A COR 1 and 2 Several flux ropes
08:30–14:30 UT a major CME 14:30 UT in the main AR complex

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