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    The C-12/C-13 ratio in stellar atmospheres. II - CN and CO in alpha Orionis (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The isotopic abundance ratio C-12/C-13 for the M supergiant alpha Orionis is derived from photoelectric high-resolution scans of the CN 2-0 red system and high-resolution interferometric spectra of the CO second-overtone bands. The two molecules yield consistent results and the final value for the C-12/C-13 ratio is 7.0 plus or minus 1.5. Rationale is offered for the causes contributing to an earlier suggestion that C-12/C-13 ratios from CO and CN were in disagreement.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal; 193; Nov. 1
    Format: text
    Location Call Number Expected Availability
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