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Fig. 7 | Earth, Planets and Space

Fig. 7

From: Swarm Thermal Ion Imager measurement performance

Fig. 7

Swarm B examples of the angel’s wing anomaly from raw imagery. (a) The anomaly first appeared on 9 December in the H sensor within 10 s of the first high-voltage imaging operations. (b) A clear example with angel’s wings appearing simultaneously in both sensors a few days later

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