~ ~

Temperature						Luminosity
Type	Class	Value	Temperature	Details		Type	Class	Details		Pecularities	Quality
Harvard	unknown		0 K	unknown spectral temperature value				unknown luminosity			~

COBREX simplification = ~ ~

Temperature
Type	Class	Value	Temperature	Details		Quality
Harvard	unknown		0 K	unknown spectral temperature value		~

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