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Optical+Near-IR Analysis of a Newly Confirmed Einstein Ring at z ∼ 1 from the Kilo-Degree Survey: Dark Matter Fraction, Total and Dark Matter Density Slope, and Initial Mass Function

  • Authors: Rui Li, Nicola R. Napolitano, Giuseppe D'Ago, Vyacheslav N. Shalyapin, Kai Zhu, Xiaotong Guo, Ran Li, Léon V. E. Koopmans, Chiara Spiniello, Crescenzo Tortora, Francesco La Barbera, Haicheng Feng, Liang Gao, Zhiqi Huang, Koen Kuijken, Hui Li, Linghua Xie, Mario Radovich, Alexey Sergeyev

Rui Li et al 2025 The Astrophysical Journal Letters 987 .

  • Provider: AAS Journals

Caption: Figure 3.

Multiband strong-lensing model of KIDS J0233−3447. From top to bottom, we show the modeling of the AO (Y-band) image, three optical (g, r, i) images, and five NIR (Z, Y, J, H, Ks) images. In each band, the left, middle, and right panels show the observed data, the lens model, and the residuals, respectively.

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