B1V C

Temperature						Luminosity
Type	Class	Value	Temperature	Details		Type	Class	Details		Pecularities	Quality
Harvard	B	1	28000 K	Harvard spectral value is 1 with class Harvard spectral class B with effective temperature [10000, 30000] ; absorptions [He, H]		Yerkes	V	Yerkes spectral luminosity with class V: main-sequence star			C

COBREX simplification = B1 C

Temperature
Type	Class	Value	Temperature	Details		Quality
Harvard	B	1	28000 K	Harvard spectral value is 1 with class Harvard spectral class B with effective temperature [10000, 30000] ; absorptions [He, H]		C

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