コーデックス > Inner Orion Spur > Astronomical Bodies > Stars > B Type Star
B Type
報告済み
A star in luminosity class I, II, III or IV, according to the Yerkes spectral classification.
B Type Giant
報告済み
A star in luminosity class II or III, according to the Yerkes spectral classification.
B Type Supergiant
報告済み
A star in luminosity class Ia, Iab or Ib, according to the Yerkes spectral classification.
