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Fig. 15.

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Depiction of the NBT, showing that it remains well collimated long after it bends, a unique behaviour. Top: MGCLS Stokes-I full-resolution (7.5″ × 7.4″) intensity image in orange, overlaid on the WISE W1 image in blue. The radio brightness scale is logarithmic, saturating at 0.2 mJy beam−1. The host, centred at the south end of the twin tails, is located at RA = 07h39m23.89s, Dec = −75° 37′11.3″. The physical scale at the host redshift is indicated, and the MGCLS synthesised beam is shown in lower left corner. Bottom: increase in jet widths, in units of the jet radius near the core, as a function of distance from the core. They show the dramatic difference between the NBT and a prototypical narrow-angle tail (NGC 1265, using the 3.7″ resolution map from Gendron-Marsolais et al. 2020) and a numerically simulated tail, from O’Neill et al. (2019).

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