Vertical cuts, at x = 10.78 Mm in the yz plane, of regions in the vicinity of the current sheet of Fig. 1 at t = 8220 s near the time of maximum intensity of the Si IV lines. From left to right: log temperature, log total magnetic field strength, vertical velocity, Si IV 139.376 nm emission, and current density (j²/B²). The temperature is saturated at log(T)=5 and the velocity at u_z = [ − 25, 25] km s⁻¹, the maximum values of these quantities are higher than plotted here, as shown in Fig. 8. A movie showing the time evolution of the current sheet is available online.