39 Dra
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39 Dra
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39 Dra is a A-type (White) star. It carries the designation 39 Dra.
Located approximately 184.2 light-years from Earth, 39 Dra resides within the broader disk of our Milky Way galaxy.
39 Dra is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.98, 39 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 +0.082.
物理的特性
| スペクトル型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.082 |
観測
| 見かけの等級 | +4.98 |
| 絶対等級 | 1.22 |
| 距離 | 184 ly |
位置
| 赤経 | 18h 23.91m |
| 赤緯 | 58° 48.04′ |