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Fig. 4
Observed Brγ line in the spectrum of the WR 102c-nebula at different star-free locations. The spectra (as labeled) were taken at the following distance and direction from WR 102c east at 4′′ (0.15 pc), west at 3′′ (0.11 pc), north at 10′′ (0.38 pc) south-west at 6′′ (0.23 pc), cf. Fig. 3 for the positions.
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