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  2. Pi1 Orionis - Wikipedia

    en.wikipedia.org/wiki/Pi1_Orionis

    Pi 1 Orionis (π 1 Ori, π 1 Orionis) is a star in the equatorial constellation of Orion.It is faintly visible to the naked eye with an apparent visual magnitude of 4.74. [2] Based upon an annual parallax shift of 28.04 mas, [1] it is located about 116 light-years from the Sun.

  3. Pi3 Orionis - Wikipedia

    en.wikipedia.org/wiki/Pi3_Orionis

    Pi 3 Orionis (π 3 Orionis, abbreviated Pi 3 Ori, π 3 Ori), also named Tabit / ˈ t eɪ b ɪ t /, [10] [11] is a star in the equatorial constellation of Orion.At an apparent visual magnitude of 3.16, [2] it is readily visible to the naked eye and is the brightest star in the lion's hide (or shield) that Orion is holding.

  4. List of stars in Orion - Wikipedia

    en.wikipedia.org/wiki/List_of_stars_in_Orion

    • Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.] See also [ edit ]

  5. Theta1 Orionis C - Wikipedia

    en.wikipedia.org/wiki/Theta1_Orionis_C

    The star C is the most massive of the four bright stars at the heart of the cluster. It is an O class blue main sequence star with a B-type main sequence companion. Its high luminosity and large distance (about 1,500 light years ) give it an apparent visible magnitude of 5.1.

  6. Pi Orionis - Wikipedia

    en.wikipedia.org/wiki/Pi_Orionis

    Pi Orionis (π Ori, π Orionis) is a group of fairly widely scattered stars in the constellation Orion that constitute the asterism Orion's Shield or Orion's Bow. [1]They form an exception to the general rule that stars that share the same Bayer designation are close together: π 1 is nearly 9° north of π 6 (Tau Eridani is an even more noteworthy example of this).

  7. Pi2 Orionis - Wikipedia

    en.wikipedia.org/wiki/Pi2_Orionis

    Pi 2 Orionis (π 2 Ori, π 2 Orionis) is the Bayer designation for a solitary star in the equatorial constellation of Orion. Although the Bright Star Catalogue lists this as a spectroscopic binary star system, [10] this does not appear to be the case. [11] It is visible to the naked eye with an apparent visual magnitude of 4.35. [2]

  8. Trapezium Cluster - Wikipedia

    en.wikipedia.org/wiki/Trapezium_Cluster

    The Trapezium or Orion Trapezium Cluster, also known by its Bayer designation of Theta 1 Orionis (θ 1 Orionis), is a tight open cluster of stars in the heart of the Orion Nebula, in the constellation of Orion. It was discovered by Galileo Galilei. On 4 February 1617 he sketched three of the stars (A, C and D), but missed the surrounding ...

  9. S Orionis - Wikipedia

    en.wikipedia.org/wiki/S_Orionis

    S Orionis is an asymptotic giant branch star in the constellation Orion, approximately 480 parsecs (1,600 ly) away. It varies regularly in brightness between extremes of magnitude 7.2 and 14 every 14 months.

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