A large C+N+O abundance spread in giant stars of the globular cluster NGC 1851

ASTROPHYSICAL JOURNAL LETTERS, no. 1 (2009): L62-L66

Cited: 102|Views22

Abstract

Abundances of C, N, and O are determined in four bright red giants that span the known abundance range for light (Na and Al) and s-process (Zr and La) elements in the globular cluster NGC 1851. The abundance sum C+N+O exhibits a range of 0.6 dex, a factor of 4, in contrast to other clusters in which no significant C+N+O spread is found. S...More

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