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Bookmark or Share- Orion's Belt - WikipediaAlnitak (ζ Orionis) is a triple star system at the eastern end of Orion's belt and is 1,260 light-years from the Earth. Alnitak B is a 4th-magnitude B-type star which orbits Alnitak A every 1,500 years.
- Alnitak - Star Facts - Online Star ... - Online Star RegisterAlnitak is the brightest class O star in the night sky, shining with an apparent visual magnitude of 1.74. It is 33 times bigger than the Sun, 20 times its diameter and shines 10,000 times its luminosity.
- Alnitak - WikipediaAlnitak is a triple star system at the eastern end of Orion's Belt, the second-magnitude primary having a 4th-magnitude companion nearly 3 arcseconds distant, in an orbit taking over 1,500 years. The part called Alnitak A is itself a close binary, comprising the stars Alnitak Aa and Alnitak Ab.
- Alnitak: an exceptionally hot, blue star on Orion’s BeltIts leftmost star, Alnitak (pronounced ALL-nye-tack), is our focus this month. Alnitak is blue because it’s hotter than most stars. And boy, is it hot, shining at visible wavelengths with the...
- Star Facts: Alnitak - Type, Size, Color, & DistanceAlnitak (Zeta Orionis) is a blue supergiant star in the Orion constellation, and forms part of the Hunter’s Belt along with the stars Alnilam and Mintaka. It is also the brightest O-type star in the entire night sky, with an apparent visual magnitude of +2.0.
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