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A Comparison of UV and Optical Metallicities in Star-forming Galaxies

Byler, Nell; Kewley, Lisa; Rigby, J R; Acharyya, Ayan; Berg, Danielle A.; Bayliss, Matthew B; Sharon, Keren

Description

Our ability to study the properties of the interstellar medium in the earliest galaxies will rely on emission-line diagnostics at rest-frame ultraviolet (UV) wavelengths. In this work, we identify metallicity-sensitive diagnostics using UV emission lines. We compare UV-derived metallicities with standard, well-established optical metallicities using a sample of galaxies with rest-frame UV and optical spectroscopy. We find that the He2-O3C3 diagnostic (He II λ1640 Å/C III] λ1906,1909 Å versus [O...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
URI: http://hdl.handle.net/1885/268679
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/ab7ea9
Access Rights: Open Access

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