Meridional section of the linear force-free magnetic field corresponding to the parameters assumed for HD 179949 in Table 2. Note the rope of azimuthal flux symmetric with respect to the equator and the position of the planet indicated by the filled dot on the equatorial plane (z = 0). The field line connecting the planet to the stellar surface is outside the flux rope while the field lines of the rope close onto themselves without reaching the stellar surface.
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