Cyanogen strengths, mixing and supermetallicity in G and K giants

Details Cyanogen strengths, mixing and supermetallicity in G and K giants Cyanogen strengths, mixing and supermetallicity in G and K giants

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....57..417d&link_type=abstract

Astronomy and Astrophysics, vol. 57, no. 3, May 1977, p. 417-430. Research supported by the University of Illinois.

Astronomy and Astrophysics

Astrophysics

36

Cyanogen, Dwarf Stars, G Stars, Giant Stars, K Stars, Metallic Stars, Spectral Line Width, Stellar Spectra, Chemical Composition, F Stars, Mixing, Red Giant Stars, Stellar Evolution

Scientific paper

Wide visual binaries consisting of a G or K giant in physical association with an F dwarf, observed using DDO and ubvy photometry, were used to study the possibility of mixing in the giants prior to or during helium core burning. The two abundance indices, delta m1 of the uvby system, and delta CN of the DDO system, are compared to study the possibility that mixing from a hydrogen burning region has affected the CN strengths of the giants.

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