Simulation results in the SC domain for HD 1237 driven by the ZDI (up) and SH-ZDI (down) magnetic field maps. The left and middle panels contain the projection onto the equatorial plane (z = 0) of the plasma density n, and the radial wind speed u_r, respectively. In the right panel the distribution of u_r on the developed current sheet structure (B_r = 0) is presented. The translucent shade denotes the Alfvén surface (M_A = 1) calculated from the steady-state solution. The corresponding colour scales for n and u_r are preserved among the different panels. Selected 3D magnetic field lines are shown in white.