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Cyanogen distribution of the giants in 47 Tucanae

Journal Article · · Astrophys. J., Lett.; (United States)
DOI:https://doi.org/10.1086/182988· OSTI ID:5983461
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Analysis of cyanogen measures of 142 stars on the red-giant branch of 47 Tucanae shows that the cyanogen distribution is preferentially bimodal, with the distribution becoming more cyanogen-rich toward the center. Most of the several observational constraints now available for 47 Tuc are suggestive of a primordial origin of its abundance anomalies, rather than of mixing.
Research Organization:
Mount Stromlo and Siding Spring Observatories, Research School of Physical Sciences, Australian National University
OSTI ID:
5983461
Journal Information:
Astrophys. J., Lett.; (United States), Journal Name: Astrophys. J., Lett.; (United States) Vol. 230:3; ISSN AJLEA
Country of Publication:
United States
Language:
English

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Related Subjects

640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ABUNDANCE
CHEMICAL COMPOSITION
CHEMISTRY
COSMOCHEMISTRY
CYANOGEN
DISTRIBUTION
ENERGY SPECTRA
GIANT STARS
RED GIANT STARS
SPATIAL DISTRIBUTION
SPECTRA
STAR CLUSTERS
STARS