SIMBAD references

2003MNRAS.339..825C - Mon. Not. R. Astron. Soc., 339, 825-833 (2003/March-1)

Planetary nebula carbon yields and the chemical evolution of the Galactic disc.

CARIGI L.

Abstract (from CDS):

Two sets of observational carbon stellar yields for low- and-intermediate mass stars are computed based on planetary nebula abundances derived from Ciiλ4267 and Ciiiλλ1906+1909 lines, respectively. These observational yields are assumed in chemical evolution models for the solar vicinity and the Galactic disc. C/O values observed in stars in the solar vicinity and Galactic Hii regions are compared with those predicted by chemical evolution models for the Galaxy. It is concluded that the C yields derived from permitted lines are in better agreement with the observational constraints than are those derived from forbidden lines.

Abstract Copyright: RAS

Journal keyword(s): planetary nebulae: general - Galaxy: abundances - Galaxy: disc - Galaxy: evolution - solar neighbourhood

Status at CDS:  

Simbad objects: 16

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2020.05.28-15:01:50

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