K Stars


K stars are characterized by having lots of metals, hydrogen is weak. The stars are cool enough for some molecular bands to become prominent, CH, and the MgH break in particular. Some weak TiO in the later K's.
K0V K3V
K1IV
K0III K0III

K2III K3III

K4III K5III


K0II K1II

K2II K3IIb

K3IIab K3IIab


K3Ib
K Ba K Ba