4 Vul
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4 Vul
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4 Vul is a K-type (Orange) star. It carries the designation 4 Vul.
Located approximately 271.6 light-years from Earth, 4 Vul resides within the broader disk of our Milky Way galaxy.
4 Vul is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +5.14, 4 Vul 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 yellow hue, which corresponds to a B-V color index of +0.999.
物理的特性
| スペクトル型 | K Class K — K-type (Orange) |
| 色指数 (B−V) | 0.999 |
観測
| 見かけの等級 | +5.14 |
| 絶対等級 | 0.54 |
| 距離 | 272 ly |
位置
| 赤経 | 19h 25.48m |
| 赤緯 | 19° 47.90′ |