The spectrum of this star matches a stellar classification of K2 III, with the luminosity class of 'III' indicating this is a giant star that has exhausted the hydrogen at its core and evolved away from the main sequence of stars like the Sun. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified.
This particular star's spectral characteristics correspond to a stellar classification of K2 III, signifying it is a giant star that has exhausted its hydrogen fuel and diverged from the main sequence similar to our Sun. Since 1943, this star's spectrum has been utilized as one of the stable anchor points for categorizing other stars.