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Self-interacting Dark Matter in the Center of a Local Group Dwarf Galaxy and Its Satellites

  • Authors: Thales A. Gutcke, Giulia Despali, Stephanie O'Neil, Mark Vogelsberger, Azadeh Fattahi, David B. Sanders

Thales A. Gutcke et al 2026 The Astrophysical Journal 1007 .

  • Provider: AAS Journals

Caption: Figure 5.

Top: gas density and H I density profiles. Bottom: stellar surface density profile. Due to the DM core, the SIDM run has less centrally concentrated SF, instead displaying more numerous and smaller SF regions. The lower stellar surface density extends out to around 50 pc, only about 5% of the size of the DM core.

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