Fig. 2
Examples of prominent spectral lines of the newly identified candidate SB2 systems in our sample, HD 22951 (B0.5 V), HD 35468 (B2 III) and HD 37023 (B0.5 V). For comparison the corresponding spectral lines in the single star HD 36822 (B0 III) are shown as well. The emission peak in He i λ6678 of the Trapezium star HD 37023 in Orion is of nebular origin.
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