Measuring cavity powers of active galactic nuclei in clusters using a hybrid X-ray-radio method. A new window on feedback opened by subarcsecond LOFAR-VLBI observations

large-scale structure of Universe, galaxiesclustersgeneral, galaxiesactive, radio continuumgalaxies, X-raysgalaxiesclusters, methodsobservational, Astrophysics - Cosmology and Nongalactic Astrophysics