Histograms of the number of cells in Run1 for which the electron temperature is above 100 eV (top) and 1 KeV (bottom), in the meridian plane, averaging along the out-of-plane direction, in the magnetic field region closed with the planet (left), open with respect to the planet (right) and with one open and one closed extremity (center), in the meridian plane, averaging along the out-of-plane direction. Quantities computed at t = 11R_M/v_sw, x.