Probing Early Super-massive Black Hole Growth and Quasar Evolution with Near-infrared Spectroscopy of 37 Reionization-era Quasars at 6.3 < z <= 7.64

Jinyi Yang, Feige Wang, Xiaohui Fan +18

We report the results of near-infrared spectroscopic observations of 37 quasars in the redshift range $6.3<z\le 7.64$, including 32 quasars at $z>6.5$, forming the largest quasar n…