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Fig. 2

image

Results from determining the stellar parameters and abundances for Arcturus spectra with different injected S/N. The horizontal line crossing each panel represents the value as determined from the original, high-S/N, atlas spectrum. The horizontal line in the boxes shows the median of the data, the lower and upper boundaries of the boxes show the lower and upper quartiles of the data, and the whiskers extend to the lowest and highest value of the data.

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