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The “Little Dark Dot”: Evidence for Self-interacting Dark Matter in the Strong Lens SDSS J0946+1006?

  • Authors: Shubo Li, Ran Li, Kaihao Wang, Zixiang Jia, Xiaoyue Cao, Carlos S. Frenk, Fangzhou Jiang, Aristeidis Amvrosiadis, Shaun Cole, Qiuhan He, Samuel C. Lange, Richard Massey, James W. Nightingale, Andrew Robertson, Maximilian von Wietersheim-Kramsta, Xianghao Ma

Shubo Li et al 2025 The Astrophysical Journal 994 .

  • Provider: AAS Journals

Caption: Figure 9.

Same format as Figure 3: dashed curves show the original evolutionary tracks, while solid curves display the evolution of an SIDM halo with precollapse c200 higher than the median by 3σ (=0.45 dex).

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