Fig. A.8

Jet 9: 2011 December 11 – Left panel: AIA 171 Å image of the jet, observed on 2011 December 11. The jet appeared to evolve from the edge of the active region, 11374 (S17 E27), which was associated with a positive-polarity sunspot with anemone magnetic topology. A small-scale brightening was observed at 12:15 UT at the jet footpoint before the jet evolution and the jet evolved as a complex, multi-threaded spire. The observations show the continuous untwisting motion of jet spire. The jet started its activity at 12:15 UT, and lasted until 12:49 UT. Middle panel and right panel: the LOS HMI magnetogram image at 11:28 UT, before the jet evolution, and at 12:24 UT, during the jet evolution, respectively. The positive-polarity cancellation at the edge of the negative-polarity region was observed and is shown by white arrows. This magnetic activity lasted for a few hours and was co-temporal and co-spatial with the jet activity.
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