Nitrogen-Loud Quasars from the Dark Energy Spectroscopic Instrument. I. Sample Selection and Basic Properties

Shuo Zhai, Wei-Jian Guo, Yong-Jie Chen +4

We present the largest sample to date of nitrogen-loud (N-loud) quasars with strong broad N IV] $\lambda 1486$ and/or N III] $\lambda 1750$ emission lines over the redshift range $1.…