Fig. 8
Two examples, event 9 (top) and 11 (bottom) of brightening events observed on November 9. The left and right panels represent the Fe xii 195 Å intensity and Doppler shift images, respectively. The event 9 raster is taken between 07:03 UT and 07:24 UT and the raster for event 11 is from 11:47 UT to 11:59 UT (see the online material to follow its full evolution). Event 9 is at the coronal hole boundary while event 11 is inside the coronal hole. White dashed lines indicate the SUMER slit sit-and-stare position. The radiance images are plotted in negative logarithmic scale.
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