Discovery of 16 New z ~ 5.5 Quasars: Filling in the Redshift Gap of Quasar Color Selection
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Yang, Jinyi; Fan, Xiaohui; Wu, Xue-Bing; Wang, Feige; Bian, Fuyan; Yang, Qian; McGreer, Ian; Yi, Weimin; Jiang, Linhua; Green, Richard F; Yue, Minghao
Description
We present initial results from the first systematic survey of luminous z ~ 5.5 quasars. Quasars at z ~ 5.5, the post-reionization epoch, are crucial tools to explore the evolution of intergalactic medium, quasar evolution, and the early super-massive black hole growth. However, it has been very challenging to select quasars at redshifts 5.3 ≤ z ≤ 5.7 using conventional color selections, due to their similar optical colors to late-type stars, especially M dwarfs, resulting in a glaring redshift...[Show more]
Collections | ANU Research Publications |
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Date published: | 2017 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/236804 |
Source: | Astronomical Journal |
DOI: | 10.3847/1538-3881/aa6577 |
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01_Yang_Discovery_of_16_New_z_%7E_5.5_2017.pdf | 1.52 MB | Adobe PDF | Request a copy |
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