5 UMa
5 UMa
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5 UMa is a F-type (Yellow-White) star located in the constellation Ursa Major. It carries the designation 5 UMa.
Located approximately 289.7 light-years from Earth, 5 UMa resides within the broader disk of our Milky Way galaxy.
5 UMa is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.72, 5 UMa sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its white hue, which corresponds to a B-V color index of +0.305.
物理特性
| 光谱类型 | F Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.305 |
观测
| 视星等 | +5.72 |
| 绝对星等 | 0.98 |
| 距离 | 290 ly |
| 星座 | Ursa Major |
位置
| 赤经 | 8h 53.38m |
| 赤纬 | 61° 57.74′ |