Recent work on CNO in dwarfs and subdwarfs

Details Recent work on CNO in dwarfs and subdwarfs Recent work on CNO in dwarfs and subdwarfs

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987japa....8...89k&link_type=abstract

(IAU, Meeting on Nucleosynthesis in the Galaxy from the Study of Low-mass Stars, New Delhi, India, Nov. 27, 1985) Journal of Ast

Astronomy and Astrophysics

Astrophysics

3

Dwarf Stars, Stellar Composition, Stellar Spectra, Subdwarf Stars, Carbon, Iron, Nitrogen, Oxygen, Spectral Bands

Scientific paper

The recent results on CNO in dwarfs and subdwarfs are discussed. The value of [O/Fe] ≅ 0.0 at solar abundances but gradually increases with decreasing [Fe/H]. The value of [C/Fe] is constant at ≅0.0 (+1/-2) as [Fe/H] declines from +0.5 to -2.0; for [Fe/H] < -2.0, [C/Fe] increases somewhat reaching a mean value near +0.2 or +0.3 dex. All the investigations agree that N has a strong primary component.

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