What highly ionised elements are found in the spectrum of WR 102c?
WR 102c: WR 102c is a Wolf–Rayet star located in the constellation Sagittarius towards the galactic centre. Wolf–Rayet star: Wolf–Rayet stars, often abbreviated as WR stars, are a rare heterogeneous set of stars with unusual spectra showing prominent broad emission lines of highly ionised helium and nitrogen or carbon.
helium and nitrogen