论文标题
将高红移类星体放置在透视上：双子座的光谱特性目录靠近红外光谱仪 - 遥远的类星体调查
Placing High-Redshift Quasars in Perspective: a Catalog of Spectroscopic Properties from the Gemini Near Infrared Spectrograph -- Distant Quasar Survey
论文作者
论文摘要
我们提出了来自双子座近红外光谱仪 - 遥远的类星体调查（GNIRS -DQS）的226个来源的光谱测量值。作为对同类产品的最大统一，同质的调查，它代表了一个易于限制的样本（$ m_ {i} $ $ {\ lixsSim} $ 19.0 mag，$ h $ $ $ $ {\ sillesim} $ 16.5 $ 16.5 $ 16.5 mag）sloan数字天空调查（SDSS）quasars（sdss）quasars at 1.5 $ ZIM $ {在5100 $ {\ unicode {xc5}} $ $ 10^{44} -10^{46} $ erg $ \ rm {s}^s}^{ - 1} $的范围内，单色光度（$λl_λ$）在$ 10^{44} -10^{44} -10^{44} -10^{44} -10^{44} -10^{44} -10^{44} -10^{44} -10^{44}^范围内。 Gnirs和SDSS光谱的结合涵盖了主要的类星体诊断功能，主要是C IV $λ$ 1549，MG II $λλ$ 2798、2803、2803，H $β$ $β$ $ $ $λ$ 4861和[O III] $λλ$ 4959，5007 $ 4959，5007发射线。光谱清单将主要用于开发处方，以获取所有类星体的更准确，更精确的红移，黑洞质量和增生率。此外，测量结果将有助于理解类星体对红移，光度和爱丁顿比率的休息框紫外光谱特性的依赖性，并测试了类星体中央发动机的物理特性是否在宇宙时间上进化。
We present spectroscopic measurements for 226 sources from the Gemini Near Infrared Spectrograph - Distant Quasar Survey (GNIRS-DQS). Being the largest uniform, homogeneous survey of its kind, it represents a flux-limited sample ($m_{i}$ ${\lesssim}$ 19.0 mag, $H$ ${\lesssim}$ 16.5 mag) of Sloan Digital Sky Survey (SDSS) quasars at 1.5 ${\lesssim}$ $z$ ${\lesssim}$ 3.5 with a monochromatic luminosity ($λL_λ$) at 5100 ${\unicode{xC5}}$ in the range of $10^{44} - 10^{46}$ erg $\rm{s}^{-1}$. A combination of the GNIRS and SDSS spectra covers principal quasar diagnostic features, chiefly the C IV $λ$1549, Mg II $λλ$2798, 2803, H$β$ $λ$4861, and [O III] $λλ$4959, 5007 emission lines, in each source. The spectral inventory will be utilized primarily to develop prescriptions for obtaining more accurate and precise redshifts, black hole masses, and accretion rates for all quasars. Additionally, the measurements will facilitate an understanding of the dependence of rest-frame ultraviolet-optical spectral properties of quasars on redshift, luminosity, and Eddington ratio, and test whether the physical properties of the quasar central engine evolve over cosmic time.
