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Empirical strong-lineoxygen abundance calibrations from galaxies with electron-temperaturemeasurements

2006/10/03 by S. Y. Yin, Y. C. Liang, F. Hammer +6 · 6 citations
Chemistry · Mathematics · Physics and Astronomy · #Abundance (ecology) #Analytical Chemistry (journal) #Astrophysics #Biology #Chemistry #Ecology #Electron #Environmental chemistry #Galaxies: Formation, Evolution, Phenomena #Galaxy #Gamma-ray bursts and supernovae #Line (geometry) #Mathematics #Nuclear physics #Oxygen #Physics #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.1051/0004-6361:20065798

12 pages, 8 figures, 1 table. A&A in press (Table 1 will only be published in electronic format, and can be found in the source .tar.gz file as table1.tex)

arxiv created 2006/10/03 · openalex publication_date 2006/11/13 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Aims.Our aims are to estimate the validity of empirical methods, such as R23, , log([N ii]/Hα) (N2), log[ ([O iii]/Hβ)/ ([N ii]/Hα)] (O3N2), and log([S ii]/Hα) (S2), and to re-derive (or add) the calibrations of R23, N2, O3N2, and S2 indices for oxygen abundances on the basis of a large sample of galaxies with Te-based abundances.

Citations

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