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H I Depletion Begins Well Beyond the Virial Radius: A FAST Stacking Study of 36 Galaxy Clusters to 5 × R200

  • Authors: Cheng Cheng, Chuan-Peng Zhang, Edo Ibar, Rory Smith, Weiwei Xu, Hyowon Kim, Jia-Sheng Huang, Wei Zhang, Pei Zuo, Hugo Méndez-Hernández, Juan Molina, Ming Zhu, Qian Yu

Cheng Cheng et al 2026 The Astrophysical Journal 1009 .

  • Provider: AAS Journals

Caption: Figure 3.

The ratio of the number of targets for stacking and all galaxy numbers. The black line is the total number ratio for all member galaxies, and the blue, green, and red lines are the low-, medium-, and high-mass bin galaxy members. We denote the number of stacking targets and the total number of galaxies in each mass and radius bin near the ratio.

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