HST emission-line images of nearby 3CR radio galaxies: two photoionization, accretion and feedback modes

Ranieri D. Baldi, Javier Rodríguez Zaurín, Marco Chiaberge +3

We present HST/ACS narrow-band images of a low-z sample of 19 3C radio galaxies to study the H$\alpha$ and [OIII] emissions from the narrow-line region (NLR). Based on nuclear emission…