Giant Gemini GMOS survey. I.

We present spectra of 163 quasars at z_em_>4.4 taken with the Gemini Multi Object Spectrometers, the largest publicly available sample of high-quality (signal-to-noise ratio...

本研究报道了采用双子星多目标光谱仪（Gemini Multi Object Spectrometers）获取的163颗发射红移z_em>4.4的类星体光谱，该样本是目前公开可用的规模最大的高质量（信噪比（signal-to-noise ratio）……）样本。