Psi Orionis

The Bayer designation Psi Orionis (ψ Ori / ψ Orionis) is shared by two stars in the constellation Orion:

  • 25 Orionis (ψ1), a Be star
  • 30 Orionis (ψ2, often just called ψ Orionis), an ellipsoidal and eclipsing variable
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