Fig. 2
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Portion of the IGRINS H-band spectrum. This region is dominated by photospheric lines (of H I and metals) from an F-type star. Emission lines with P Cygni profiles correspond to H I (indicated with ticks) and Fe II (seen in the 1.687–1.690 µm region). These lines are formed in the disc around the B-type companion. For comparison purposes, an F5 III star is overplotted (shown in red).
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