Rigil Kentaurus
Alp1Cen
Rigil Kentaurus is a G-type (Yellow) star located in the constellation Centaurus. It carries the designation Alp1Cen.
At a distance of approximately 4.32 light-years, Rigil Kentaurus is one of the Sun's closest stellar neighbors. Light that we observe from Rigil Kentaurus today left the star roughly 4 years ago, making it a near neighbor in galactic terms.
Rigil Kentaurus is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.
With an apparent magnitude of -0.01, Rigil Kentaurus is one of the brightest stars in the entire night sky. It is easily visible to the naked eye from virtually any location on Earth where it rises above the horizon, and it can even be glimpsed in moderate light pollution. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.710.
Propriedades físicas
| Classe Espectral | Class G — G-type (Yellow) |
| Índice de cor (B−V) | 0,710 |
Observação
| Magnitude Aparente | -0.01 |
| Magnitude Absoluta | 4,38 |
| Distância | 4.3 ly |
| Constelação | Centaurus |
Posição
| Ascensão reta | 14h 39,65m |
| Declinação | -60° 50,04′ |