Star
Alpha Centauri B
Alpha Centauri B is an orange star 4.32 light-years away, one of the nearest there are, seen as it was 4 years ago, shining at 44.1% of the Sun’s brightness.
The orange half of the nearest pair of stars to the Sun. It and Alpha Centauri A go round each other once every 79 years.
See it live
It is on the live 3D map, where it really is.
Key facts
- Distance
- 4.32 light-years
- Brightness from Earth
- magnitude 1.35
- Spectral type
- K1V
- Catalogue
- HIP 71681
See it from here
Bright enough to see with your own eyes from a dark place.
How the map draws it
Drawn as a point of light, sized by how bright it looks from where you are — the kind of thing, not this exact one.