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Fig. 3
He I λ7065 emission line in UVES spectra of ISO 143 at different observing times in 2008 and 2009 after continuum subtraction. The flux is given in arbitrary units. This He I line at 7065.2 Å is blended with another, weaker He I line at 7065.7 Å, which shows up in the red line wing at a velocity of about +30 km s-1.
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