Radcliffe, Jack Frederick; Barthe, P.D.; Garrett, M.A.; Beswick, R.J.; Thomson, A.P.; Muxlow, T.W.B.
(EDP Sciences, 2021-05)
CONTEXT: For nearly seven decades, astronomers have been studying active galaxies, that is to say, galaxies with actively accreting central supermassive black holes: active galactic nuclei (AGN). A small fraction are ...