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Can Third- and Fourth-order Multipoles plus Radial Variation of Isodensity Ellipses Explain the Observed Flux Ratios in B1422+231? YES, and a Lesson Learned from a TNG100 Lensing Galaxy Sample

  • Authors: Ruizhe Feng, Dandan Xu, Dominique Sluse, Giulia Despali, Anowar J. Shajib, Cai-Na Hao

Ruizhe Feng et al 2026 The Astrophysical Journal 1012 .

  • Provider: AAS Journals

Caption: Figure 1.

Image configuration of B1422+231 as in Table 1. Note that the origin point of the coordinate system has been shifted to the observed lens galaxy position. The black ellipse (semimajor axis, ellipticity, and position angle) is the photometry result of the lens galaxy in C. D. Impey et al. (1996).

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