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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 .

Caption: Figure 9.

Rotation curves for the 50 most massive satellites in each galaxy. We can see there is more diversity of shapes in the two SIDM models.