نجم السهم vs قنطورس الأقرب
| Property |
نجم السهم |
قنطورس الأقرب |
| التسمية |
N/A |
N/A |
| الكوكبة |
N/A |
Centaurus |
| النوع الطيفي |
N/A |
Class M — M-type (Red) |
| القدر الظاهري |
+9.54 |
+11.01 |
| القدر المطلق |
13.24 |
15.45 |
| المسافة |
6.0 ly |
4.2 ly |
| الكتلة |
N/A |
N/A |
| نصف القطر |
N/A |
N/A |
| درجة الحرارة |
N/A |
N/A |
| السطوع |
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.