Volume 454, Number 3, August II 2006
|Page(s)||L127 - L130|
|Published online||17 July 2006|
Letter to the Editor
[Ar III]/[O III] and [S III]/[O III]: well-behaved oxygen abundance indicators for HII regions and star forming galaxies
LUTH, Observatoire de Paris-Meudon, 5 place Jules Jansen, 92195 Meudon, France e-mail: firstname.lastname@example.org
Accepted: 6 June 2006
We propose two statistical methods to derive oxygen abundances in HII regions and star forming galaxies and calibrate them with a sample of several hundred giant HII regions in spiral and blue compact galaxies as well as of galaxies from the Sloan Digital Sky Survey. We show the advantages of our new abundance indicators over previous ones.
Key words: galaxies: abundances / galaxies: ISM / ISM: abundances / ISM: HII regions
© ESO, 2006
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