Speaker
Description
Jets from Active Galactic Nuclei have long been observed to interact with the interstellar medium (ISM). Such interactions provide possible mechanisms for star formation quenching, as required by cosmological simulations. The FRII quasar 3CR 14 (z=1.469) has been observed by Chandra to have significant X-ray emission to the southeast of the core, co-aligned with a southeast-northwest LOFAR-observed radio wing. Whilst FRII quasar 3CR 34 (z=0.69) and FRI radio galaxy 3CR 192 (z=0.05) both have significant X-ray emitting wings to the north and south of the core, perpendicular to their jets. Characterised as X-shaped galaxies, these AGN offer a unique investigation into feedback modes and jet-ISM interactions that can cause large sweeping filaments, jet associated hot spots and X-ray wings. 3CR 34 hosts all three structures with complex hot spot structures from jet-lobe interactions and a bow-shock-like filament cocooning the central galaxy and flowing into diffuse emission wings suggesting a blow-back mechanism. 3CR 14’s one-sided X-ray wing could be dominated by displaced gas heating as it falls back into the central galaxy.
