Jet collimation and acceleration in the flat spectrum radio quasar 1928+738

Open Access

Fig. 2.

Relative core positions of the 1928+738 jet as a function of frequency with respect to the 24 GHz core. The solid line shows the best-fit power-law function $Δ z_{c} = Ω (ν_{GHz}^{- 1 / k_{z}} - 24^{- 1 / k_{z}})$ $\Delta{z_{\rm c}} = \Omega\,(\nu^{-1/k_{z}}_{\rm GHz} - 24^{-1/k_{z}})$ .

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