Simulations show negative metallicity gradients in all low-mass galaxies, U-shaped age profiles in most, and halo metallicity dispersion tied to the infall time of the dominant satellite.
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Age and metallicity of low-mass galaxies: from their centres to their stellar halos
Simulations show negative metallicity gradients in all low-mass galaxies, U-shaped age profiles in most, and halo metallicity dispersion tied to the infall time of the dominant satellite.