Fig. 10.
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[3.4]−[22] vs P diagram of the 1065 stars in our sample with a known spectral type and no saturation in both the [3.4] and [22] bands; see legend for identification of the different spectral types and the number of Miras in each group. The solid orange line is the relation that best separates Group S and A Miras given in Eq. (3).
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