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Reconstructing the Projected Dark Matter Field across 0.1–100 Mpc Scales from the SDSS Survey

  • Authors: Kunyao Zhao, Yingjie Peng, Dingyi Zhao, Xiaohu Yang, Luis C. Ho, Kai Wang, Jing Dou, Zeyu Gao, Qiusheng Gu, Yukun Liu, Roberto Maiolino, Houjun Mo, Alvio Renzini, Canpo Su, Bitao Wang, Yu-Chen Wang, Bingxiao Xu, Feng Yuan, Xingye Zhu

Kunyao Zhao et al 2026 The Astrophysical Journal Letters 1010 .

  • Provider: AAS Journals

Caption: Figure A1.

Reconstructed projected dark matter density field in the SDSS region with Abell cluster members overlaid. The background color scale shows the logarithmic projected dark matter surface density. Colored dots mark galaxies identified as members of different Abell clusters, and red dots highlight the galaxies residing in Coma cluster (A1656). The clusters tend to lie at dense nodes and filament intersections in the reconstructed field, and their names are labeled in the lower-left corner.

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