Codex > Odin's Hold > Astronomical Bodies > Stars > O Type Star
O Type
报告
A star in luminosity class I, II, III or IV, according to the Yerkes spectral classification.
O Type Giant
报告
A star in luminosity class II or III, according to the Yerkes spectral classification.
O Type Supergiant
报告
A star in luminosity class Ia, Iab or Ib, according to the Yerkes spectral classification.
