Fig. 6.
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(V, V − I) PW relation for the ACs, fitted by the PW relation provided by Ripepi et al. (2014a) for RRab and RRc AC pulsators. The shaded region accounts for the standard deviation of Leo II distance modulus (computed as in the text), the error on the adopted PW relation, and the assumed LMC distance. The position of V88 (star symbol) is also reported.
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