R ~

Temperature						Luminosity
Type	Class	Value	Temperature	Details		Type	Class	Details		Pecularities	Quality
	R		5500 K	Carbon star spectral value is with class Carbon star spectral class R: red giants, near the end of their lives, in which there is an excess of carbon in the atmosphere				unknown luminosity			~

COBREX simplification = PEC ~

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