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Discrepancies between the [O iii] and [S iii] temperatures in H ii regions

Binette, Luc; Matadamas, Roy; Hagele, Guillermo F.; Nicholls , David; Magris C., Gladis; Pena-Guerrero, Marıa de los Angeles; Morisset, Christophe; Rodrıguez-Gonzalez, Ary

Description

Context. Analysis of published [O iii] and [S iii] temperatures measurements of emission line objects consisting of Hii galaxies, giant extragalactic Hii regions, Galactic Hii regions, and Hii regions from the Magellanic Clouds reveal that the [O iii] temperatures are higher than the corresponding values from [S iii] in most objects with gas metallicities in excess of 0.2 solar. For the coolest nebulae (the highest metallicities), the [O iii] temperature excess can reach ∼3000 K. Aims. We look...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/68561
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201219515

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