... are rapidly rotating B III-IVe stars with mass outflow from their equatorial zones ... Stars with broad emission features of He I and He II as well as C II-C IV, O II-O IV ...
... where: V Vobs V0 Z B-V k' k'' true apparent magnitude observed magnitude instrumental correction air mass color index airmass dependency color index dependency per star, from photcal.ref per star, from pixels to be solved per file, from header per star ...