Multiplicative correction factors 1/Ci to recover the intrinsic jet brightness profiles from the observed ones on 2015 September 28. They are plotted as a function of the emission age across the east and west jet flows, shown in blue and red, respectively. The point spread function assumed is the same elliptical Gaussian (190 × 161 mas2, with position angle of 44°̣8) used as a restoring beam in Fig. 2.
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