Sao Barnard vs Cận Tinh
| Property |
Sao Barnard |
Cận Tinh |
| Ký Hiệu |
N/A |
N/A |
| Chòm Sao |
N/A |
Centaurus |
| Phân Loại Quang Phổ |
N/A |
Class M — M-type (Red) |
| Cấp Sao Biểu Kiến |
+9.54 |
+11.01 |
| Cấp Sao Tuyệt Đối |
13.24 |
15.45 |
| Khoảng Cách |
6.0 ly |
4.2 ly |
| Khối Lượng |
N/A |
N/A |
| Bán Kính |
N/A |
N/A |
| Nhiệt Độ |
N/A |
N/A |
| Độ Sáng |
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.