The abundance of nitrogen and the C-12/C-13 isotope ratio in the atmospheres of the two K-giants 9 Bootis and Rho Bootis

Details The abundance of nitrogen and the C-12/C-13 isotope ratio in the atmospheres of the two K-giants 9 Bootis and Rho Bootis The abundance of nitrogen and the C-12/C-13 isotope ratio in the atmospheres of the two K-giants 9 Bootis and Rho Bootis

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990kfnt....6...80b&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 6, Sept.-Oct. 1990, p. 80-85. In Russian.

Physics

Carbon Isotopes, Giant Stars, K Stars, Nitrogen, Spectrum Analysis, Stellar Atmospheres, Abundance, Lithium, Metallic Stars, Stellar Interiors

Scientific paper

An N abundance of +0.6 and a C-12/C-13 ratio of 10 were determined for 9 Boo while an N abundance of -0.1 and a C-12/C-13 ratio of 12 were determined for Rho Boo. The high lithium abundance in the atmosphere of 9 Boo together with the low C/N and C-12/C-13 ratios may be interpreted as a consequence of lithium synthesis in the stellar interior during the helium core flash stage.

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