Superfast Line Profile Variations in the Spectra of OBA Stars III: A0 Star ${\alpha }^2$CVn, New Results

A. F. Kholtygin, A. V. Moiseeva, I A. Yakunin +1

This work is a continuation of the studies of the ultrafast variability of line profiles in the spectra of early-type stars. Line profile variations (LPVs) in the spectrum a chemic…