NGC 6231

Selected MK spectral classification

NoRefMKS
0113578B15IV E+SH
0206578O95V (N)
0226578B1 V:+B1V:
0234578O95III
0268578B2 V:+B2V:
0288578B1 V
0334578B1 V
0349578B1 V
0353578B05V
0378578B05V
0403578B1 V
0434578O95V
0486578B1 V (N)
0505578O9 IV
0521578B05V
0571578O7 III: F:
0615578O85III
0651578B1 III
0712578B1 V (N)
0853578O9 IV
0854578C7
0855578B0 IAB
0856578O7 IB:(F)
0857578O9 IAB P
0858578O6 III(F)
0862578O9 III