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The Mass-Metallicity Relation of Local Active Galaxies

Thomas, Adam; Kewley, Lisa; Dopita, Michael; Groves, Brent; Hopkins, Andrew M.; Sutherland, Ralph


We systematically measure the gas-phase metallicities and the mass–metallicity relation of a large sample of local active galaxies for the first time. Observed emission-line fluxes from the Sloan Digital Sky Survey are compared to a four-dimensional grid of photoionization models using the Bayesian parameter estimation code NebulaBayes. For the first time we take into account arbitrary mixing between H ii region and narrow-line region (NLR) emission, and the models are also varied with...[Show more]

CollectionsANU Research Publications
Date published: 2019-03-27
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/ab08a1
Access Rights: Open Access


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