SIMBAD references

2000MNRAS.312..130D - Mon. Not. R. Astron. Soc., 312, 130-138 (2000/February-2)

An empirical calibration of nebular abundances based on the sulphur emission lines.


Abstract (from CDS):

We present an empirical calibration of nebular abundances based on the strong emission lines of [Sii] and [Siii] in the red part of the spectrum through the definition of a sulphur abundance parameter S23. This calibration presents two important advantages against the commonly used one based on the optical oxygen lines: it remains single-valued up to abundances close to solar and is almost independent of the degree of ionization of the nebula.

Abstract Copyright: 2000, Royal Astronomical Society

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

Nomenclature: Table 1: [P96] NGC 2903 RN N=7 among (Nos R1-R8), [P96] NGC 3351 RN N=7 among (Nos R1-R8), [P96] NGC 3504 RN (Nos R2-R4).

Simbad objects: 141

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