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astro-ph.SR2010★ 71 cited
The helium spread in the Globular cluster 47 Tuc
M. Di Criscienzo, P. Ventura, F. D' Antona +2
Spectroscopy has shown the presence of the CN band dicothomy and the Na-O anticorrelations for 50--70% of the investigated samples in the cluster 47 Tuc, otherwise considered a "no…
astro-ph.GA2010★ 1 cited
Lithium factories in the Galaxy: novae and AGB stars
F. D'Antona, P. Ventura
We review the state of the art in modelling lithium production, through the Cameron-Fowler mechanism, in two stellar sites: during nova explosions and in the envelopes of massive a…