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The metallicity evolution of interacting galaxies

Torrey, Paul; Cox, T J; Kewley, Lisa; Hernquist, Lars

Description

Nuclear inflows of metal-poor interstellar gas triggered by galaxy interactions can account for the systematically lower central oxygen abundances observed in local interacting galaxies. Here, we investigate the metallicity evolution of a large set of simulations of colliding galaxies. Our models include cooling, star formation, feedback, and a new stochastic method for tracking the mass recycled back to the interstellar medium from stellar winds and supernovae. We study the influence of...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/61066
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/746/1/108

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