Fig. 6.
Lick indices for the stars in our sample (red dots) and in the sample of Worthey et al. (1994, black dots). Following their definitions, Mg1, Mg2, TiO1 and TiO2 are in magnitudes, and the rest are equivalent widths in units of Å. The two coldest objects that often deviate from the M-star-dominated sequences are the carbon stars HD 067507 and HD 085405.
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