Near-infrared spectra of 27 SDSS quasars

We present a near-infrared quasar composite spectrum spanning the wavelength range 0.58-3.5um. The spectrum has been constructed from observations of 27 quasars obtained at the...本文构建了波长覆盖0.58~3.5微米的近红外类星体（quasar）复合光谱。该复合光谱由27颗类星体的观测数据合成所得，相关观测于……开展。