A recalibration of strong-line oxygen abundance diagnostics via the direct method and implications for the high-redshift universe

We use direct method oxygen abundances in combination with strong optical emission lines, stellar masses (M ⋆), and star formation rates (SFRs) to recalibrate the N2, O3N2, and N2O2 oxygen abundance diagnostics. We stack spectra of ∼200 000 star-forming galaxies from the Sloan Digital Sky Survey in...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2016-05, Vol.458 (2), p.1529-1547
Hauptverfasser:	Brown, Jonathan S., Martini, Paul, Andrews, Brett H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Abundance Astronomy Calibration Diagnostic systems Emission Galaxies Oxygen Red shift Spectrum analysis Star formation Universe
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