The C-12/C-13 ratio in stellar atmospheres. III - Alpha Tauri, beta Geminorum, and MU Leonis

Details The C-12/C-13 ratio in stellar atmospheres. III - Alpha Tauri, beta Geminorum, and MU Leonis The C-12/C-13 ratio in stellar atmospheres. III - Alpha Tauri, beta Geminorum, and MU Leonis

Nov 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974apj...193..631t&link_type=abstract

Astrophysical Journal, vol. 193, Nov. 1, 1974, pt. 1, p. 631-637. Research supported by the Research Corp.

Astronomy and Astrophysics

Astrophysics

33

Abundance, Carbon Isotopes, Giant Stars, K Stars, Late Stars, Stellar Atmospheres, Stellar Evolution, Astronomical Models, Carbon 12, Carbon 13, Electrophotometry, Infrared Spectra, Line Spectra, Spectral Energy Distribution, Spectral Line Width, Stellar Spectra

Scientific paper

High-resolution photoelectric scans of portions of the 2-0 and 4-0 bands of the CN red system in the spectra of three K giants alpha Tau, beta Gem, and mu Leo have been obtained. Analysis of the C-12N and C-13N line intensities provides the C-12/C-13 abundance ratios for these atmospheres. The results are C-12/C-13 equals 12 plus or minus 2 (alpha Tau), equals 16 plus or minus (2 beta Gem), equals 18 plus or minus 2 (mu Leo).

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