A Peculiar Type~II QSO Identified via Broad-band Detection of Extreme Nebular Line Emission

Yu-Heng Lin, Claudia Scarlata, Matthew Hayes +5

We present S82-20, an unusual redshift $\approx$3 object identified in SDSS-Stripe 82 broad-band images. The rest-frame ultraviolet spectrum of S82-20 shows emission lines from hig…