Fig. 2.
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Example spectra of stars in common between the three libraries. For each example, the spectra are shown in the top panel of the two, and ratios with respect to the MILES spectrum are shown in the bottom one. SSP spectra with solar metallicity and an age of 10 Gyr are also shown for comparison. The fourth template shown (HD118100) was removed from all three clean libraries, owing to the strong emission lines in the CaHK absorption features. It was removed from MILES by author selection and was flagged independently by visual inspection in the other two libraries.
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