**Table 2:** Template stars for cross-correlation analysis.
Star	Type/class
HD 164349	K0 II-III
HD 172365	F8 Ib- II
HD 174947	K1 IB
HD 174974	K1 II
HD 175751	K2 III
HD 179323	K1 I

Note: Spectral types and luminosity classes are taken from the VizieR database (Ochsenbein et al. 2000).

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