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[期刊论文] 作者：Gao-Chao Liu,You-Jun Lu,Xue-Le,
来源：天文和天体物理学研究：英文版 年份：2013
We select a sample of quiescent luminous red galaxies(LRGs) from the Sloan Digital Sky Survey Data Release 7 with a high signal-to-noise ratio(S/N) to study the...
Variations of broad emission lines from periodicity QSOs under the interpretation of supermassive bi
[期刊论文] 作者：Xiang Ji,Jun-Qiang Ge,You-Jun Lu,Chang-Shuo Yan,
来源：天文和天体物理学研究 年份：2021
Quasars with periodic light curves are considered as candidates of supermassive binary black hole(BBH) systems.One way for further confirmations may be searching for other characteristic signatures,such as those in their broad emission line......
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