Dwarf spheroidal galaxies evolve toward a dynamical attractor where r_half ≈ r_max and σ ≈ 0.5 v_max, causing their inferred halo masses to follow narrow sequences based on size.
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A dynamical attractor in the evolution of dwarf spheroidal galaxies
Dwarf spheroidal galaxies evolve toward a dynamical attractor where r_half ≈ r_max and σ ≈ 0.5 v_max, causing their inferred halo masses to follow narrow sequences based on size.