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Magellanic Mayhem: Metallicities and Motions

  • Authors: J. Grady, V. Belokurov, and N. W. Evans

2021 The Astrophysical Journal 909 150.

  • Provider: AAS Journals

Caption: Figure 10.

This shows the evolution of LMC giant predicted metallicity as a function of in-plane cylindrical radius. Pixels are colored by stellar counts per pixel. The central regions are seen to be metal enhanced with respect to the outer regions of the LMC, where the metal-rich bar dominates. The red markers show the mean metallicity in bins of radius. A shallow negative metallicity gradient is evident. The solid black lines are samples drawn from our model. We only show giants with ﹩\left\langle {D}_{{NN}}\right\rangle \,\lt ﹩ 0.06 in this figure to isolate stars that should have reasonable metallicity estimates given their colors. In this figure, we adopt the LMC viewing angles of Choi et al. (2018b).

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