O9.2IVnn ~

Temperature Luminosity
Type Class Value Temperature Details Type Class Details Pecularities Quality
Harvard O 9.2 32400 K Harvard spectral value is 9.2 with class Harvard spectral class O with effective temperature [30000, 60000] ; absorptions [N, C, He, O] Yerkes IV Yerkes spectral luminosity with class IV: subgiant nn ~

COBREX simplification = O9.2 ~

Temperature
Type Class Value Temperature Details Quality
Harvard O 9.2 32400 K Harvard spectral value is 9.2 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