Fig. 3.
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Cross-correlation. Representative IGRINS H- and K-band spectra of two RGB stars: Star 1 for Patchick 126 and Star 10 for VVV-CL160 (black lines). We superimposed the synthetic solar spectra (red lines) used for determination of cross-correlation velocities in the spectral regions between 15 000 and 17 000 Å in the H-band, and between 19 500 and 22 900 Å in the K-band.
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