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Paper: A New Look at Galactic Chemical Signatures of Enrichment and Infall
Volume: 240, Gas and Galaxy Evolution: A Conference in Honor of the 20th Anniversary of the VLA
Page: 273
Authors: Oey, M. S.
Abstract: I present a simple, closed-box, analytic model for inhomogeneous chemical evolution that assumes no mixing, but incorporates a contamination filling factor Q. This model shows better agreement with the Galactic disk stellar metallicities than the homogeneous closed-box model. There is also excellent agreement with the halo metallicities, representing a relatively unevolved system. These results offer a revised interpretation of the observed metallicity distributions and details of gas infall.
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