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Fig. 8.
Same as Fig. 5, but for the HRS spectrum of the 3He star PHL 25. The line cores of He I 4472 Å, He I 5875 Å, He I 6678 Å, and He I 7065 Å have been excluded from the fit because of strong stratification effects and fitting problems, as are obvious from the strong mismatch (see Sect. 5.4 for details).
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