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Using Strong Lines to Estimate Abundances in Extragalactic H II Regions and Starburst Galaxies

Kewley, Lisa; Dopita, Michael

Description

We have used a combination of stellar population synthesis and photoionization models to develop a set of ionization parameter and abundance diagnostics based only on the use of the strong optical emission lines. These models are applicable to both extragalactic H II regions and star-forming galaxies. We show that, because our techniques solve explicitly for both the ionization parameter and the chemical abundance, the diagnostics presented here are an improvement on earlier techniques based on...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
URI: http://hdl.handle.net/1885/75098
Source: Astrophysical Journal, The
DOI: 10.1086/341326

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