G Stars
G stars are characterized by the presence of lots of metallic lines and
weak hydrogen. Lots of Fe lines, CaII, Na. Solar-type stars (G3V).
The Sun, a typical G3 dwarf!
G0V
G1V
G3V
G5IV
G8IV
G0III
G8III
G8III
G9III
G1II
G3II
G8IIb
G1Ib
G3Ib
G5Ib
G8Ib
G8IIb