9 Cep
9 Cep
9 Cep is a B-type (Blue-White) star. It carries the designation 9 Cep.
9 Cep is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
9 Cep is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.76, 9 Cep 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 +0.246.
物理的特性
| スペクトル型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | 0.246 |
観測
| 見かけの等級 | +4.76 |
| 絶対等級 | -15.24 |
| 距離 | 326,156 ly |
位置
| 赤経 | 21h 37.92m |
| 赤緯 | 62° 4.92′ |
よくある質問
What type of star is 9 Cep?
9 Cep is a Class B — B-type (Blue-White) star.
How far is 9 Cep from Earth?
9 Cep is approximately 326,156.0 light-years from Earth.
Can you see 9 Cep with the naked eye?
With an apparent magnitude of 4.76, 9 Cep is visible to the naked eye.