Fig. 10.

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Comparison of electron (top panels) and proton (middle panels) onset delays vs. connection angle for the November 2020 SEP event (colored circles, indicating the observing spacecraft) with those for ∼0.7 − 4 MeV electrons and 14 − 24 MeV protons in the cycle 24 SEP events observed at both STEREO spacecraft and near the Earth discussed by Richardson et al. (2014) (black circles). The bottom panels show the “source speeds” from the flare to the field line footpoint as a function of connection angle for electrons (left) and protons inferred from the November 2020 event onset delays.
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