Barnard's Star vs Proxima Centauri
| Property |
Barnard's Star |
Proxima Centauri |
| 命名 |
N/A |
N/A |
| 星座 |
N/A |
Centaurus |
| 光谱类型 |
N/A |
Class M — M-type (Red) |
| 视星等 |
+9.54 |
+11.01 |
| 绝对星等 |
13.24 |
15.45 |
| 距离 |
6.0 ly |
4.2 ly |
| 质量 |
N/A |
N/A |
| 半径 |
N/A |
N/A |
| 温度 |
N/A |
N/A |
| 光度 |
N/A |
N/A |
Key Differences
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Both are nearby red dwarf stars invisible to the naked eye.
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Barnard's Star has the highest proper motion of any known star (10.3 arcseconds per year).
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Proxima Centauri is closer at 4.24 light-years; Barnard's Star is 5.96 light-years away.
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Proxima Centauri has confirmed exoplanets in the habitable zone; Barnard's Star has only a sub-Earth candidate.
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Barnard's Star will make its closest approach to the Sun in about 10,000 years.