Fig. 7
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Line fittings of He I 4471 Å gravity-darkened models with the classical von Zeipel model to the Be stars HD 33328, HD 37795, HD 124771, and HD 158427 from a sample of 31 stars of the BeSOS database. The spectra represent the medians and also show the Mg II 4481 Å line profile, but to determine the PNRC parameters, only the He I 4471 Å profile has been taken into account in the fittings.
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