73 Ori
73 Ori
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73 Ori is a B-type (Blue-White) star located in the constellation Orion. It carries the designation 73 Ori.
At a distance of roughly 1,165 light-years, 73 Ori is a distant star lying deep within the Milky Way galaxy.
73 Ori is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.44, 73 Ori 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 blue-white hue, which corresponds to a B-V color index of +0.015.
物理的特性
| スペクトル型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | 0.015 |
観測
| 見かけの等級 | +5.44 |
| 絶対等級 | -2.32 |
| 距離 | 1,165 ly |
| 星座 | Orion |
位置
| 赤経 | 6h 15.75m |
| 赤緯 | 12° 33.06′ |