Rigel
star system in the constellation Orion
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Summary
Rigel is a B-type supergiant star[1]. Rigel draws 7,373 Wikipedia views per month (b type supergiant star category, ranking #1 of 1).[2]
Key Facts
- Instance of: blue supergiant[3], multiple star[4], pulsating variable star[5], astrophysical X-ray source[6], navigational star[7], near-infrared source[8], ultraviolet source[9], star[10]
- Constellation: Orion[11]
- Spectral class: B8Ia[12]
- Part of: Winter Hexagon[13]
- Commons category: Rigel[14]
- Child astronomical body: Rigel VII[15]
- Catalog code: 2MASS J05143226-0812060[16], SAO 131907[17], GSC 05331-01752[18], HD 34085[19], HIP 24436[20], HR 1713[21], IRAS 05121-0815[22], β Ori[23], ADS 3823 A[24], 1RXS J051431.5-081112[25], CCDM J05145-0812A[26], CEL 579[27], CSV 100463[28], EUVE J0514-08.1[29]
- Type of variable star: Alpha Cygni variable[30]
- Apparent magnitude: 0.13[31], -0.56[32], 0.10[33], 0.15[34], 0.22[35], 0.20[36], 0.18[37]
- Described by source: Armenian Soviet Encyclopedia[38]
- Absolute magnitude: -7.84[39]
- Mass: 18 solar mass[40]
- Radius: 78.9 solar radius[41], 74.1 solar radius[42]
- Parallax: 3.78 milliarcsecond[43]
- Radial velocity: 17.80 kilometre per second[44]
- Diameter: 103,000,000 km[45]
Body
Cultural Significance
Things named for Rigel include MS Rigel[46], a shipwreck[47] and Mount Rigel[48], a mountain[49].
Why It Matters
Rigel has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[50] Rigel is known by 78 alternative names across languages and contexts.[51]
Entities named for Rigel include MS Rigel[46], a shipwreck[47] and Mount Rigel[48], a mountain[49].