Alnilam
Also known as 46 Orionis, Epsilon Orionis
Alnilam is the central star of Orion's Belt in the equatorial constellation of Orion. It has the Bayer designation ε Orionis, which is Latinised to Epsilon Orionis and abbreviated Epsilon Ori or ε Ori. This is a massive, blue supergiant star some 1,250 light-years distant. It is estimated to be 270,000 times as luminous as the Sun, and 28 times as massive.
AI overview
Alnilam is the middle star in Orion's Belt, a bright and easily recognizable feature in the night sky. It is a massive blue supergiant star located about 1,250 light-years away that shines roughly 270,000 times brighter than our Sun and weighs about 28 times as much.
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8 sectionsContents
- Observation
- Physical characteristics
- Nomenclature and history
- Orion's Belt
- See also
- Notes
- References
- External links
Alnilam is the central star of Orion's Belt in the equatorial constellation of Orion. It has the Bayer designation ε Orionis, which is Latinised to Epsilon Orionis and abbreviated Epsilon Ori or ε Ori. This is a massive, blue supergiant star some 1,250 light-years distant. It is estimated to be 270,000 times as luminous as the Sun, and 28 times as massive.
==Observation== thumb|left|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.