Wind solution for the spine (dashed line) and the sheath (solid line). The solution for the spine fits well the inferred velocity of the deboosted structure observed in the 43 GHz VLBA maps (yellow box) and the velocity observed at HST-1 in the optical band (orange point). The solution for the sheath fits the fast velocities measured in the 43 GHz (blue points) and 15 GHz (green points) VLBA data, and at HST-1 in the radio band (red point). The 15 GHz VLBA data points are binned averages of the fastest observed apparent velocities from our WISE analysis.