Barnard's Star
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Barnard's Star is a star cataloged in modern stellar databases.
At a distance of approximately 5.95 light-years, Barnard's Star is one of the Sun's closest stellar neighbors. Light that we observe from Barnard's Star today left the star roughly 5 years ago, making it a near neighbor in galactic terms.
Barnard's Star has an apparent magnitude of +9.54, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its red hue, which corresponds to a B-V color index of +1.570.
物理特性
| 色指数 (B−V) | 1.570 |
观测
| 视星等 | +9.54 |
| 绝对星等 | 13.24 |
| 距离 | 6.0 ly |
位置
| 赤经 | 17h 57.81m |
| 赤纬 | 4° 41.60′ |