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  2. Orion (constellation) - Wikipedia

    en.wikipedia.org/wiki/Orion_(constellation)

    It is a multiple star system, composed of a large B-type blue giant and a more massive O-type main-sequence star. The Mintaka system constitutes an eclipsing binary variable star, where the eclipse of one star over the other creates a dip in brightness. Mintaka is the westernmost of the three stars of Orion's Belt, as well as the northernmost. [6]

  3. Rigel - Wikipedia

    en.wikipedia.org/wiki/Rigel

    Rigel is generally the seventh-brightest star in the night sky and the brightest star in Orion, though it is occasionally outshone by Betelgeuse, which varies over a larger range. A triple-star system is separated from Rigel by an angle of 9.5 arc seconds. It has an apparent magnitude of 6.7, making it 1/400th as bright as Rigel.

  4. Orion's Belt - Wikipedia

    en.wikipedia.org/wiki/Orion's_Belt

    Orion's Belt is an asterism in the constellation of Orion.Other names include the Belt of Orion, the Three Kings, and the Three Sisters. [1] The belt consists of three bright and easily identifiable collinear star systems – Alnitak, Alnilam, and Mintaka – nearly equally spaced in a line, spanning an angular size of ~ 140′ (2.3°).

  5. Mintaka - Wikipedia

    en.wikipedia.org/wiki/Mintaka

    δ Orionis is a multiple star system. There is a magnitude 7 star about 52 arcseconds away from the second-magnitude primary and a much fainter star in between. The system is designated WDS 05320-0018 in the Washington Double Star Catalog, with the 14th-magnitude companion listed as component B and the seventh-magnitude star as component C. [24]

  6. Orion Nebula - Wikipedia

    en.wikipedia.org/wiki/Orion_nebula

    View of several proplyds within the Orion Nebula taken by the Hubble Space Telescope Star Formation Fireworks in Orion. The Orion Nebula is an example of a stellar nursery where new stars are being born. Observations of the nebula have revealed approximately 700 stars in various stages of formation within the nebula.

  7. 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 ]

  8. Alnilam - Wikipedia

    en.wikipedia.org/wiki/Alnilam

    Alnilam is the middle and brightest of the three stars of Orion's Belt. It is the 29th-brightest star in the sky (the fourth brightest in Orion) and is a blue supergiant. Together with Mintaka and Alnitak, the three stars make up Orion's Belt, known by many names across many ancient cultures. Alnilam is the middle star.

  9. Pi4 Orionis - Wikipedia

    en.wikipedia.org/wiki/Pi4_Orionis

    Pi 4 Orionis (π 4 Ori, π 4 Orionis) is a binary star system in the western part of the Orion constellation. It is visible to the naked eye with an apparent visual magnitude of 3.7. [2] Based upon an annual parallax shift of 3.1 mass, [1] it is located roughly 1,050 light-years from the Sun.