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Fig. 2.
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Phased RV plot for WR 138 with HERMES data. The inset shows the high-cadence measurements (black box) with the N V weak lines and the He II λ5412 line. The ephemeris used for the periastron passage was JD 2445284 (Annuk 1990), with the period of 1521.2 ± 35 d from Palate et al. (2013).
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