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Exploring Reionization-era Quasars. III. Discovery of 16 Quasars at 6.4 ≲ z ≲ 6.9 with DESI Legacy Imaging Surveys and the UKIRT Hemisphere Survey and Quasar Luminosity Function at z ∼ 6.7

  • Authors: Feige Wang, Jinyi Yang, Xiaohui Fan, Xue-Bing Wu, Minghao Yue, Jiang-Tao Li, Fuyan Bian, Linhua Jiang, Eduardo Bañados, Jan-Torge Schindler, Joseph R. Findlay, Frederick B. Davies, Roberto Decarli, Emanuele P. Farina, Richard Green, Joseph F. Hennawi, Yun-Hsin Huang, Chiara Mazzuccheli, Ian D. McGreer, Bram Venemans, Fabian Walter, Simon Dye, Brad W. Lyke, Adam D. Myers, and Evan Haze Nunez

2019 The Astrophysical Journal 884 30.

  • Provider: AAS Journals

Caption: Figure 3.

Redshift and absolute magnitude distribution of z ≥ 6.3 quasars. The black circles denote previously known quasars missed by our selection because of their faintness, being outside our searching footprint or at relative low redshift and therefore not satisfying our dropout selection. The two known z > 7 quasars are also not selected by us because they are undetected by the PS1 survey. The blue open stars represent previously known quasars that satisfy our selection procedures, and the orange open stars denote two quasars published in our Papers I and II. The filled stars denote our newly discovered quasars reported in this paper. The magenta squares denote the most distant gravitationally lensed quasar, J0439+1634 at z = 6.511, before (open) and after (solid) lensing correction (Fan et al. 2019).

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