The star's spectral type of WN5h indicates that it is in an early stage of evolution and reveals the presence of N III, N IV, and N V lines all at similar intensities.
It is in an early stage of evolution. This is what the star's spectral type of WN5h indicates. The star's spectral type of WN5h reveals the presence of N III all at similar intensities. The star's spectral type of WN5h reveals the presence of N IV all at similar intensities. The star's spectral type of WN5h reveals the presence of N V lines all at similar intensities.