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Fig. 13.
Line profiles of N V and C IV in the average spectrum of HD 50896 in 1988 (black) and in the binned spectra at apastron in 1992 (red) and 1995 (blue dash) showing a systematic increase in the extent of the P Cygni resonance line absorptions which is less evident in N IV λ1718 with no width change in N IV] λ1486.
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