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Fig. 2
Profiles of He i 4471, He ii 4686, and He ii 5411 lines in the ELODIE spectrum (phase 0.306). The narrow absorption close to zero velocity in the line He i 4471 is the line of the visual component; absorptions at −580 and +900 km s-1 in He ii 4686 belong to the visual component (lines O ii 4676 and 4699).
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