Final two cone model fit of the O VII triplet. Each emission line is fitted with two Gaussian components, one at velocity of −320 km s^-1 (shown in blue) and the other at velocity of + 190 km s^-1 (shown in red). The data are shown in black and the overall fit is shown in green. Clearly, the O VII forbidden line (on the right) only requires the blueshifted Gaussian component but this does not match the physical requirements of the two cone model (see text for details).