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Earth, Planets and Space
Fig. 10 | Earth, Planets and Space

Fig. 10

From: Swarm Thermal Ion Imager measurement performance

Fig. 10

(a) Swarm C TII example of the ring anomaly, appearing as a bright arc and defocusing of the rammed ion spot, particularly evident in the left-hand panel. (b) Illustration of secondary electron feedback from the input surface of the MCP. Electrode voltages are labeled in black, ion kinetic energy in blue, and electron kinetic energy in red. (c) The “measles” anomaly consisting of quasi-randomly distributed pixel count rates of 4095 DN

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