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Fig. 1
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Comparison of spectra of the Sun (top), τCet (central), and the star 08440521-5253171 (bottom) of IC 2391 (S∕N = 260) in two spectral regions. Shown on the left a 3 Å window around the Ce II line 5274.23 Å, while on the right a region near the La II line at 6390.48 Å.
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