Fig. 7.

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Directional v50 and W80 profiles for approaching (blue squares) and receding (red circles) sides along the jet axis extracted from the intrinsic maps (i.e. corrected for absorption, Fig. 1cd). The vertical dashed lines indicate the distances of the jet hot spots (blue for approaching, red for receding, Appendix D). We note that the radio emission of TN J0121+1320 is unresolved. The grey shaded regions are > 5 arcsec from the host galaxy. The data points in the shaded regions should be treated with caution given the large tile size may smear kinematic structures. The horizontal black dotted line in the v50 panel marks the 0 km s−1 derived from systemic redshift. The dashed horizontal black line in the v50 panel of 4C+03.24 indicates the velocity shift of Hβ redshift (zHβ ≃ 3.566, −1100 km s−1 with respect to the systemic redshift; Nesvadba et al. 2017b) with respect to its systemic used in this paper (Table 1, see text). We note that the range of the x-axis is customised for each target and that the W80 is shown in logarithmic scale. We show a zoom-in view of the central part of the v50 profiles of MRC 0316-257 and TN J1338-1942 in the insets. For MRC 0943-242, MRC 0316-257, TN J0205+2242 and TN J1338-1942, we mark the fit to the v50 profiles within the jet hot spots (vertical lines) in green lines to guide the eye of the evidence of nebula velocity gradient following jet kinematics. In general, there is no clear evidence of a trend in bulk motion identified for the whole sample. For some targets (4C+03.24, 4C+19.71 and TN J1338-1942), W80 decreases with increasing radial distance which may indicate that the jet is disturbing the gas.
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