M Onoue, N Kashikawa, Y Matsuoka… - The Astrophysical …, 2019 - iopscience.iop.org
We present deep near-infrared spectroscopy of six quasars at 6.1≤ z≤ 6.7 with Very Large
Telescope/X-Shooter and Gemini-N/GNIRS. Our objects, originally discovered through a …