バーナード星 vs プロキシマ・ケンタウリ
| 特性 |
バーナード星
|
プロキシマ・ケンタウリ
|
| 名称 |
N/A |
N/A |
| 星座 |
N/A |
Centaurus |
| スペクトル型 |
N/A |
Class M — M-type (Red) |
| 見かけの等級 |
+9.54 |
+11.01 |
| 絶対等級 |
13.24
|
15.45
|
| 距離 |
6.0 ly |
4.2 ly |
| 質量 |
N/A
|
N/A
|
| 半径 |
N/A
|
N/A
|
| 温度 |
N/A
|
N/A
|
| 光度 |
N/A
|
N/A
|
主な違い
- ◆ 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.