Abundance gradient in Local Group galaxies using Asymptotic Giant Branch stars
M. -R. L. Cioni
Abstract
Simultaneous IJKs observations allow us to statistically select AGB stars, both M and C type, from RGB and younger or foreground stars in nearby galaxies. Regions of different metallicity identified from the distribution of the C/M ratio show a considerable variation across the surface of the Magellanic Clouds and NGC 6822.
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