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Fig. 4
CEN 34’s X-shooter spectrum (black solid) around the Ca ii 8498 Å, P14, and Ca ii 8662 Å lines. The best fitting grid (red) and other nearby grids are shown as dashed lines. The synthetic spectral library is based on the Kurucz codes, and has an uniform dispersion of 1 Å/pix (for more details see Munari et al. 2005).
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