SIMBAD references

2004MNRAS.348L..59P - Mon. Not. R. Astron. Soc., 348, L59-L63 (2004/March-1)

[OIII]/[NII] as an abundance indicator at high redshift.

PETTINI M. and PAGEL B.E.J.

Abstract (from CDS):

Among `empirical' methods of estimating oxygen abundances in extragalactic Hii regions, the use of the ratio of nebular lines of [Oiii] and [Nii], first introduced by Alloin et al., is reappraised with modern calibration data and shown to have certain advantages over R₂₃≡ ([Oii]+[Oiii])/Hβ and N 2 ≡[Nii]λ6583/Hα, particularly when applied to star-forming galaxies at high redshifts.

Abstract Copyright: 2004 RAS

Journal keyword(s): ISM: abundances - Hii regions - galaxies: abundances

Simbad objects: 9

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