Fig. 1.
Spectra of three Li-rich giants at the wavelength of the Li 6708 Å line (in blue). In each case, the spectrum of a comparison giant with similar atmospheric parameters is also shown (in red; similar means within ±50 K in T eff and ±0.10 dex in log g and [Fe/H]). The flux has been normalised and arbitrarily shifted to facilitate the visualisation.
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