Abstract
view Abstract Citations (20) References (13) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The 12C/13C Ratio in the Atmosphere of the k2 Supergiant Epsilon Pegasi Lambert, D. L. ; Tomkin, J. Abstract The 12C/13C abundance ratio in the atmosphere of the K2 Th supergiant E Peg is derived from high-resolution photoelectric spectral scans of lines from the CN red system. The high 13C abundance, 12C/13C = 5.1 + 0 5 and Greene's demonstration that the atmosphere is rich in N and deficient in C and 0, are consistent with the hypothesis that the star has undergone extensive internal mixing. Subject headings: abundances, stellar - late-type stars - stars, individual Publication: The Astrophysical Journal Pub Date: December 1974 DOI: 10.1086/181676 Bibcode: 1974ApJ...194L..89L Keywords: Abundance; Atmospheric Composition; Carbon 12; Carbon 13; Stellar Atmospheres; Supergiant Stars; Astronomical Spectroscopy; Hertzsprung-Russell Diagram; Late Stars; Line Spectra; Stellar Spectra; Astrophysics full text sources ADS | data products SIMBAD (1)
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