83 UMa
83 UMa
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83 UMa is a M-type (Red) star located in the constellation Ursa Major. It carries the designation 83 UMa.
Located approximately 523.5 light-years from Earth, 83 UMa resides within the broader disk of our Milky Way galaxy.
83 UMa is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
With an apparent magnitude of +4.63, 83 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 red hue, which corresponds to a B-V color index of +1.630.
物理的特性
| スペクトル型 | M Class M — M-type (Red) |
| 色指数 (B−V) | 1.630 |
観測
| 見かけの等級 | +4.63 |
| 絶対等級 | -1.40 |
| 距離 | 524 ly |
| 星座 | Ursa Major |
位置
| 赤経 | 13h 40.74m |
| 赤緯 | 54° 40.90′ |