نجم السهم vs قنطورس الأقرب
| الخاصية |
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
|
الاختلافات الرئيسية
- ◆ Both are nearby red dwarf stars invisible to the naked eye.
- ◆ Barnard's Star has the highest proper motion of any known star (10.3 arcseconds per year).
- ◆ Proxima Centauri is closer at 4.24 light-years; Barnard's Star is 5.96 light-years away.
- ◆ Proxima Centauri has confirmed exoplanets in the habitable zone; Barnard's Star has only a sub-Earth candidate.
- ◆ Barnard's Star will make its closest approach to the Sun in about 10,000 years.