73 Dra
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73 Dra
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73 Dra is a A-type (White) star. It carries the designation 73 Dra.
Located approximately 395.8 light-years from Earth, 73 Dra resides within the broader disk of our Milky Way galaxy.
73 Dra is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.18, 73 Dra 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 +0.100.
物理的特性
| スペクトル型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.100 |
観測
| 見かけの等級 | +5.18 |
| 絶対等級 | -0.24 |
| 距離 | 396 ly |
位置
| 赤経 | 20h 31.51m |
| 赤緯 | 74° 57.28′ |