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Bellatrix
Sign in to saveAlso known as Gamma Orionis, 24 Orionis, 24 Ori, γ Orionis, γ Ori, MCW 308, PPM 148916, ROT 793
Bellatrix is the third-brightest star in the constellation of Orion, positioned 5° west of the red supergiant Betelgeuse (Alpha Orionis). It has the Bayer designation γ Orionis, which is Latinized to Gamma Orionis. With a slightly variable magnitude of around 1.6, it is typically the 25th-brightest star in the night sky. It is the closest major star in Orion at only 244.6 light-years from the Solar System.
Bellatrix is the third-brightest star in the constellation Orion and one of the 25 brightest stars visible from Earth, located about 245 light-years away. It's notable for being the closest major star in Orion to our Solar System and sits about 5° west of the famous red supergiant Betelgeuse.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Distance from Earth
- 121
- Radius
- 6
- Mass
- 8.4
- Image
- Bellatrix DSS.png
Show 17 more facts
- spectral class
- B2IVSB:
- catalog code
- ALS 14777
- Commons category
- Bellatrix
- apparent magnitude
- 2.32
- absolute magnitude
- -2.8
- luminosity
- 6400
- right ascension
- 81.282763557
- declination
- 6.349703264
- effective temperature
- 9954
- parallax
- 13.42
- radial velocity
- 5.5
- stellar rotational velocity
- 53
- metallicity
- -0.25
- surface gravity
- 10000
- right ascension component of proper motion
- -10
- declination component of proper motion
- -11
- age estimated by a dating method
- 25.2
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Article
8 sectionsContents
- Nomenclature
- Standard star
- Physical properties
- Companions
- Etymology and cultural significance
- See also
- References
- External links
Bellatrix is the third-brightest star in the constellation of Orion, positioned 5° west of the red supergiant Betelgeuse (Alpha Orionis). It has the Bayer designation γ Orionis, which is Latinized to Gamma Orionis. With a slightly variable magnitude of around 1.6, it is typically the 25th-brightest star in the night sky. It is the closest major star in Orion at only 244.6 light-years from the Solar System.
== Nomenclature ==