Published January 1, 2014
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LINE LISTS FOR THE A(2)Pi-X-2 Sigma(+) (RED) AND B-2 Sigma(+)-X-2 Sigma(+) (VIOLET) SYSTEMS OF CN, (CN)-C-13-N-14, AND (CN)-C-12-N-15, AND APPLICATION TO ASTRONOMICAL SPECTRA
- 1. Osserv Astron Padova, INAF, I-35122 Padua, Italy
- 2. Univ York, Dept Chem, York YO10 5DD, N Yorkshire, England
Description
New red and violet system line lists for the CN isotopologues (CN)-C-13-N-14 and (CN)-C-12-N-15 have been generated. These new transition data are combined with those previously derived for (CN)-C-12-N-14, and applied to the determination of CNO abundances in the solar photosphere and in four red giant stars: Arcturus, the bright, very low-metallicity star HD 122563, and the carbon-enhanced metal-poor stars HD 196944 and HD 201626. When both red and violet system lines are detectable in a star, their derived N abundances are in good agreement. The mean N abundances determined in this work are also generally in accord with published values.
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