Bellatrix vs Rigel

Property Bellatrix Rigel
Designación 24Gam Ori 19Bet Ori
Constelación Orion Orion
Clase Espectral Class B — B-type (Blue-White) Class B — B-type (Blue-White)
Magnitud Aparente +1.64 +0.18
Magnitud Absoluta -2.80 -6.93
Distancia 252 ly 863 ly
Masa N/A N/A
Radio N/A N/A
Temperatura N/A N/A
Luminosidad N/A N/A

Key Differences

  • Both are hot B-type stars in Orion, marking opposite corners of the hunter's torso.
  • Rigel (Beta Orionis) is a blue supergiant at ~21 M☉; Bellatrix (Gamma Orionis) is a blue giant at ~8.4 M☉.
  • Rigel is far more luminous at ~120,000 L☉ versus Bellatrix at ~6,400 L☉.
  • Bellatrix is much closer at ~250 light-years; Rigel is also ~860 light-years distant.
  • Bellatrix will eventually become an orange giant and finally a massive white dwarf, not a supernova.

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