A Lagrangian model with mild radial gas flows (1.5 km/s) simultaneously reproduces the Milky Way's [O/Fe]-[Fe/H] distribution, stellar surface density profile, abundance gradients, and age-abundance relations under a two-infall scenario.
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Empirical aperture corrections for SDSS absorption indices, derived via CALIFA simulations, reach 15% of dynamical range at low redshift and reduce overestimates of old galaxy fractions by up to 10%.
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.
citing papers explorer
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Chemical evolution of the Milky Way disc with radial gas flows: a Lagrangian approach
A Lagrangian model with mild radial gas flows (1.5 km/s) simultaneously reproduces the Milky Way's [O/Fe]-[Fe/H] distribution, stellar surface density profile, abundance gradients, and age-abundance relations under a two-infall scenario.
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Correcting the fiber-aperture bias affecting galaxy stellar populations in the Sloan Digital Sky Survey. Aperture corrections to absorption indices based on CALIFA integral field observations
Empirical aperture corrections for SDSS absorption indices, derived via CALIFA simulations, reach 15% of dynamical range at low redshift and reduce overestimates of old galaxy fractions by up to 10%.
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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.