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Reading the CARDs: the Imprint of Accretion History in the Chemical Abundances of the Milky Way's Stellar Halo
Emily C. Cunningham, Robyn E. Sanderson, Kathryn V. Johnston +7
In the era of large-scale spectroscopic surveys in the Local Group (LG), we can explore using chemical abundances of halo stars to study the star formation and chemical enrichment…
Elemental Abundances in M31: Gradients in the Giant Stellar Stream
Ivanna Escala, Karoline M. Gilbert, Jennifer Wojno +2
We analyze existing measurements of [Fe/H] and [/Fe] for individual red giant branch (RGB) stars in the Giant Stellar Stream (GSS) of M31 to determine whether spatial abundance…
Gas infall and radial transport in cosmological simulations of Milky Way-mass disks
Cameron Trapp, Dusan Keres, T. K. Chan +7
Observations indicate that a continuous supply of gas is needed to maintain observed star formation rates in large, disky galaxies. To fuel star formation, gas must reach the inner…