Figure 4 from The Discovery of a Gravitationally Lensed Quasar at z = 6.51

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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 4.

Fiducial and alternative lens models: fits (top row) and residuals (bottom row) of the HST/ACS FR782N image. As in Figure 3, white crosses are locations of quasar images, and blue and red lines represent the lensing critical curves and caustics, respectively.

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