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. 2022 Feb 8;49(3):e2021GL096796. doi: 10.1029/2021GL096796

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© 2022. The Authors.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Time History of Events and Macroscale Interactions during Substorms (THEMIS) probe P4 observations on 19 May 2010 between 12:09:30 and 12:15 UT. From top to bottom are shown: joint Solid State Telescope (full mode) and THEMIS electrostatic analyzer (burst mode) ion differential flux spectra, azimuthal (PHI; 0° corresponds to the Earthward direction) angle of ion velocity, spacecraft potential (a high‐resolution proxy to electron density), parallel component of the ion temperature (red), geocentric solar magnetospheric (GSM) V_X ion velocity component, DSL E_Z (red), E_Y (green) and E_X (blue) electric field components 3s‐long‐sliding‐window averaged, GSM B_Z (red), B_Y (green) and B_X (blue) magnetic field components.