O2III Walborn02 standards: HDE 269810 - O2III(f*) Sk-68_137 - O2III(f*) LH 10-3061 - O2III(f*) LH 64-16 - O2III(f*) LH 114-7 - O2III(f*) NGC 346-3 - O2III(f*) # Weak Standards HDE 269810 (J0535-6733; V=12.3) O2III(f*): Walborn04 O3III(f*): Walborn82,Walborn90(stan) O3If*: Walborn77 Walborn types: O3If* => O3III(f*) => O2III(f*). In LMC.