G8/K0V D

Temperature						Luminosity
Type	Class	Value	Temperature	Details		Type	Class	Details		Pecularities	Quality
Harvard	G	9	5100 K	Alternative Harvard spectral value Harvard spectral value is 8 with class Harvard spectral class G with effective temperature [5000, 6000] ; absorptions [Ca, He, H, Metals] or Harvard spectral value is 0 with class Harvard spectral class K with effective temperature [3500, 5000] ; absorptions [Metals, TiO]		Yerkes	V	Yerkes spectral luminosity with class V: main-sequence star			D

COBREX simplification = G9 D

Temperature
Type	Class	Value	Temperature	Details		Quality
Harvard	G	9	5100 K	Harvard spectral value is 9 with class Harvard spectral class G with effective temperature [5000, 6000] ; absorptions [Ca, He, H, Metals]		D

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