Two discontinuities captured by ARTEMIS P2: (a) magnetic field in local coordinates, (b) ion spectrum and mean energy (black dashed line), (c) variations of v_l, ﹩{v}_{{\rm{A}}}^{* }={v}_{{\rm{A}}}\sqrt{1-{{\rm{\Lambda }}}_{e}}﹩, and a nondiagonal ion pressure component Π_ln, (d) current density (top panels) the inserted panels show current density spatial distributions; the coordinate is normalized to the proton inertial length, d_i), (bottom panels) two cross sections of ion distribution before and after discontinuity crossings (see the text for details).