Star
A faint red dwarf that is the fourth-nearest star to the Sun and races across the sky faster than any other known star.
| Type | Star |
|---|---|
| Distance from Earth | 5.96 ly |
| Diameter | 260,100 km |
| Mass | 3.22 × 10^29 kg |
| Temperature | 2,922°C |
| Apparent magnitude | 9.5 |
| Redshift | 0 |
| Discovered | 1916 |
At 260,100 km across, Barnard's Star is 19 percent of the diameter of the Sun.
Its mass is 16 percent of the mass of the Sun.
The light reaching us from Barnard's Star tonight left it around 6 years ago.
Its surface sits at 3,195 K, cooler than the Sun at 5,772 K, which is what sets its colour.
It has been on record since 1916.
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