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Fig. 3 | Earth, Planets and Space

Fig. 3

From: An event study on broadband electric field noises and electron distributions in the lunar wake boundary

Fig. 3

Electron pitch-angle distributions of 16-s resolution. a 04:13:54–14:14:10 UT, no BBNs; b 04:17:06–04:17:22 UT, no BBNs (or very weak BBNs); c 04:17:38–04:17:54 UT, beginning of strong BBNs; d 04:18:26–14:18:42 UT, strong BBNs, the ESW event reported by Hashimoto et al. (2010); e 04:18:42–04:18:58 UT, weak BBNs; f 04:18:58–04:19:14 UT, strong BBNs; g 04:19:14–04:19:30 UT, weak BBNs; h 04:20:18–04:20:34 UT, weak BBNs; i 04:24:34–04:24:50 UT, no BBNs. For all the data shown here, pitch angels of downward-going (i.e. moonward-going) electrons are between 90\(^{\circ }\) and 180\(^{\circ }\), while those of upward-going electrons are between 0\(^{\circ }\) and 90\(^{\circ }\)

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