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The characteristics of galaxies with powerful radio jets

Radio jets are important to the evoultion of galaxies. However, it is still not fully understood how a radio jet can be triggered.

X. Zheng
27 september 2023
Thesis in Leiden Repository

This thesis mainly investigates the morphology and kinematics of galaxies hosting radio AGNs detected in the LOFAR Two-metre Sky Survey (LoTSS). We showed that galaxies with powerful jets have a rounder shape and weaker disc component. The radio jets of these galaxies also have a higher chance to be misaligned with the minor axis of galaxies. These works reveal the importance of the evolutionary path of galaxies to the jet-triggering process. A galaxy with a merger-dominated history would be a better breeding ground for a powerful radio jet.

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