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"Direct" Gas-phase Metallicity in Local Analogs of High-redshift Galaxies: Empirical Metallicity Calibrations for High-redshift Star-forming Galaxies

Bian, Fuyan; Kewley, Lisa; Dopita, Michael


We study the direct gas-phase oxygen abundance using the well-detected auroral line [O iii]λ4363 in the stacked spectra of a sample of local analogs of high-redshift galaxies. These local analogs share the same location as z ~ 2 star-forming galaxies on the [O iii]λ5007/Hβ versus [N ii]λ6584/Hα Baldwin–Phillips–Terlevich diagram. This type of analog has the same ionized interstellar medium (ISM) properties as high-redshift galaxies. We establish empirical metallicity calibrations between the...[Show more]

CollectionsANU Research Publications
Date published: 2018-06-05
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/aabd74
Access Rights: Open Access


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