Flux densities determined from our LOFAR observations (circles) of 3C 273, along with flux densities derived from the observations in Perley & Meisenheimer (2017) (diamonds). The flux densities are split into a core component (3C 273 B, in red) and a jet component (3C 273 A, in green), with the sum of the contribution of the jet and the core shown in blue. The flux densities are measured directly from the resolved images of 3C 273. The error bars for the VLA flux densities aresmaller than the plotted points. The reduced chi-squared value of the fit for the jet is 1.43 and for the core 8.83.