Combined magnetic field, proton, and electron strahl PAD time series data for Event 1 in the hybrid MVAB lmn-frame. a) Magnetic field vector with the magnetic field strength in black. b) Proton bulk velocity with the proton bulk speed in black. The average proton bulk velocity ⟨v_p⟩ over this interval has been removed. In both panels, the l-component is in red, the m-component is in green, and the n-component is in blue. c) Proton temperature (left scale, purple) and number density (right scale, gold). d) Alfvén speed. e) 1D proton energy spectrogram. f) Electron strahl PAD for energies > 70 eV. The dashed lines mark the region boundaries identified in the text and numbered at the top of the figure.