Boötes I shows a shallow 4σ intrinsic velocity gradient aligned with its orbit, a negative metallicity gradient, and a dark matter profile that weakly favors a cusp over a core.
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Chemodynamics of Bo\"otesI with $S^{5}$: Revised Velocity Gradient, Dark Matter Density, and Galactic Chemical Evolution Constraints
Boötes I shows a shallow 4σ intrinsic velocity gradient aligned with its orbit, a negative metallicity gradient, and a dark matter profile that weakly favors a cusp over a core.