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The Discovery of a Gravitationally Lensed Quasar at z = 6.51

  • Authors: Xiaohui Fan, Feige Wang, Jinyi Yang, Charles R. Keeton, Minghao Yue, Ann Zabludoff, Fuyan Bian, Marco Bonaglia, Iskren Y. Georgiev, Joseph F. Hennawi, Jiangtao Li, Ian D. McGreer, Rohan Naidu, Fabio Pacucci, Sebastian Rabien, David Thompson, Bram Venemans, Fabian Walter, Ran Wang, and Xue-Bing Wu

2019 The Astrophysical Journal Letters 870 L11.

  • Provider: AAS Journals

Caption: Figure 2.

Distribution of quasar bolometric luminosities and SMBH masses estimated from Mg II emission. The open red star represents J0439+1634 without lensing correction; the filled red star represents the same object after applying a lensing magnification correction factor of 51× (from the fiducial lensing model in Table 1). The green circle represents SDSS J0100+2922 at z = 6.30 (Wu et al. 2015), the blue square SDSS J1148+5251 at z = 6.42 (Fan et al. 2003), and the magenta circles ULAS J1120+0641 at z = 7.09 (Mortlock et al. 2011) and ULAS J1342+0928 at z = 7.54 (Bañados et al. 2018). Black dots denote other z ≳ 6 quasars (Wu et al. 2015; Mazzucchelli et al. 2017). The black contours and gray dots show SDSS low-redshift quasars (Shen et al. 2011; with broad absorption line quasars excluded). The error bars represent the 1σ measurement errors. For comparison, the dashed lines illustrate fractions of the Eddington luminosity.

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