Alnitak vs Mintaka

Property Alnitak Mintaka
Designation 50Zet Ori 34Del Ori
Constellation Orion Orion
Spectral Class Class O — O-type (Blue) Class O — O-type (Blue)
Apparent Magnitude +1.74 +2.25
Absolute Magnitude -5.03 -4.38
Distance 736 ly 692 ly
Mass N/A N/A
Radius N/A N/A
Temperature N/A N/A
Luminosity N/A N/A

Key Differences

  • Both are O-type stars in Orion's Belt, but Alnitak is the eastern star and Mintaka the western.
  • Alnitak is the brightest O-type star in the night sky; Mintaka lies almost exactly on the celestial equator.
  • Alnitak is near the Horsehead Nebula and Flame Nebula which it illuminates with its intense UV radiation.
  • Both are multiple star systems containing O-type primaries.
  • Alnitak is somewhat more massive and more distant than Mintaka.

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