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astro-ph2005★ 152 cited
Is there Evidence for Flat Cores in the Halos of Dwarf Galaxies?: The Case of NGC 3109 and NGC 6822
Octavio Valenzuela, George Rhee, Anatoly Klypin +4
Two well studied dwarf galaxies -- NGC 3109 and NGC 6822 -- present some of the strongest observational support for a flat core at the center of galactic dark matter (DM) halos. We…
astro-ph2005★ 19 cited
Secular evolution of galactic discs: constraints on phase-space density
V. Avila-Reese, A. Carrillo, O. Valenzuela +1
It was argued in the past that bulges of galaxies cannot be formed through collisionless secular evolution because that would violate constraints on the phase-space density: the ph…