Fig. 10 from Atomic Diffusion and Mixing in Old Stars. I. Very Large Telescope FLAMES‐UVES Observations of Stars in NGC 6397

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Atomic Diffusion and Mixing in Old Stars. I. Very Large Telescope FLAMES‐UVES Observations of Stars in NGC 6397

Authors: A. J. Korn, F. Grundahl, O. Richard, L. Mashonkina, P. S. Barklem, R. Collet, B. Gustafsson, and N. Piskunov

Korn et al. 2007 The Astrophysical Journal 671 402.

Provider: AAS Journals

Caption: Fig. 10.

Observed Li I λ6707 line profiles for the two SGB stars. These two stars seem to have slightly (0.08 dex) different lithium abundances. With only two stars in this evolutionary stage it is, however, impossible to tell whether this indicates nonnegligible dispersion.

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