Rigel
19Bet Ori
Rigel is a B-type (Blue-White) star located in the constellation Orion. It carries the designation 19Bet Ori.
Located approximately 862.9 light-years from Earth, Rigel resides within the broader disk of our Milky Way galaxy.
Rigel is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
Rigel has an apparent magnitude of +0.18, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue hue, which corresponds to a B-V color index of -0.030.
物理特性
| 光谱类型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.030 |
观测
| 视星等 | +0.18 |
| 绝对星等 | -6.93 |
| 距离 | 863 ly |
| 星座 | Orion |
位置
| 赤经 | 5h 14.54m |
| 赤纬 | -8° 12.10′ |
Related Chemistry
Explore the chemical elements connected to Rigel on our sister site ChemFYI.
Hydrogen Balmer series visible in B-type supergiants
Neutral helium lines are a defining feature of B-type spectra
CNO-cycle product enriched in blue supergiant atmospheres
Part of the Science FYI Family