OB ~

Temperature						Luminosity
Type	Class	Value	Temperature	Details		Type	Class	Details		Pecularities	Quality
Harvard	O		60000 K	Harvard spectral value is with class Harvard spectral class O with effective temperature [30000, 60000] ; absorptions [N, C, He, O]				unknown luminosity			~
Harvard	B		30000 K	Harvard spectral value is with class Harvard spectral class B with effective temperature [10000, 30000] ; absorptions [He, H]				unknown luminosity			~

COBREX simplification = O9.5 ~

Temperature
Type	Class	Value	Temperature	Details		Quality
Harvard	O	9.5	31500 K	Harvard spectral value is 9.5 with class Harvard spectral class O with effective temperature [30000, 60000] ; absorptions [N, C, He, O]		~

Ref: An Encoding System to Represent Stellar Spectral Classes in Archival Databases and Catalogs Version 1.4