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Fig. 6

Fig. 6 Refer to the following caption and surrounding text.

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Fourier parameter A1 of the RV curves as a function of (a) R21(LC), (b) R31(LC), and (c) a combination of R21(LC) and R31(LC). The ODR fit (blue line) was applied to the calibrating sample (yellow circles) and prolongated to show consistency with metal-poor stars (red circles).

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