Fig. 3

Averaged quiescent spectral profiles of the O vi(1032 Å) line detected in the FUSE observations of AD Leo, AB Dor, and AU Mic. The O vi(1032 Å) profile of AD Leo shows a Gaussian shape, whereas the profile of AB Dor shows an asymmetric profile with a broad blue component. The spectrum of AU Mic exhibits a weak red wing asymmetry. The spectra were extracted from the LiF1a channel and represent night-time observations only.
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