The HST Spectrum of I Zw 1: Implications of the C III^* λ1176 Emission Line

Ari Laor, Buell T. Jannuzi, Richard F. Green +1

I Zw 1 is a well known narrow line quasar with very strong Fe II emission. High S/N spectra obtained with the HST FOS show a remarkably rich emission line spectrum. The C III$^* λ1…