Dynamical friction in ultra-faint galaxies removes central dark matter via star-DM interactions, forming cores and compact stellar clusters with binaries.
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3 Pith papers cite this work. Polarity classification is still indexing.
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GravSphere2 extends Jeans modeling to fourth order with LOS and PM data plus flexible anisotropy forms to recover mass density, anisotropy, and density slope in spherical stellar systems while breaking the mass-anisotropy degeneracy.
N-body simulations of ultra-faint dwarf galaxies without dark matter find a 3-billion-year quasi-stationary phase followed by mass segregation, with binaries causing substantial overestimates of velocity dispersion.
citing papers explorer
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Collisional Dynamics of Stars and Dark Matter in Ultra-Faint Galaxies
Dynamical friction in ultra-faint galaxies removes central dark matter via star-DM interactions, forming cores and compact stellar clusters with binaries.
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GravSphere2: A higher-order Jeans method for mass-modeling spherical stellar systems
GravSphere2 extends Jeans modeling to fourth order with LOS and PM data plus flexible anisotropy forms to recover mass density, anisotropy, and density slope in spherical stellar systems while breaking the mass-anisotropy degeneracy.
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The long-term evolution of Ultra Faint Dwarf Galaxies and observational implications
N-body simulations of ultra-faint dwarf galaxies without dark matter find a 3-billion-year quasi-stationary phase followed by mass segregation, with binaries causing substantial overestimates of velocity dispersion.