Jet width vs distance from the central source at 1.644 μm. The intrinsic jet width is computed with derived from the continuum images around the line. Data from the red and blue lobe of the jet are indicated by grey triangles and black circles, respectively. The solid lines are approximation functions f(x)∝(x − C)ⁿ, where C is a free parameter and n is a degree, which demonstrates the change in geometry of the jet for the red lobe.