Fig. 3
Upper panel: the disentangled spectra of HD 165246 around Hδ. The secondary spectrum is shifted by +0.05. Note the presence of He i line λ4026 and Hδ in the secondary spectrum. Lower panel: the disentangled spectra around the He ii line λ4686. The secondary spectrum is shifted by +0.025. The He ii line is absent in the secondary spectrum.
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