B Type
Знайдено
A star in luminosity class I, II, III or IV, according to the Yerkes spectral classification.
B Type Giant
Знайдено
A star in luminosity class II or III, according to the Yerkes spectral classification.
B Type Supergiant
Знайдено
A star in luminosity class Ia, Iab or Ib, according to the Yerkes spectral classification.
