NGC 3147: a prototypical low-luminosity active galactic nucleus with double-peaked optical and ultraviolet lines

Stefano Bianchi, Marco Chiaberge, Ari Laor +3

A previous narrow-slit ($0.1$ arcsec) Hubble Space Telescope observation unveiled a broad relativistic H$\alpha$ profile in NGC3147, a low-luminosity (${\mathrm{L}}_{\mathrm{bol}}\sim 10^{42}$ erg…