アケルナル
Alp Eri
アケルナル is a B-type (Blue-White) star. It carries the designation Alp Eri.
Located approximately 139.4 light-years from Earth, アケルナル resides within the broader disk of our Milky Way galaxy.
アケルナル is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
アケルナル has an apparent magnitude of +0.45, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue hue, which corresponds to a B-V color index of -0.158.
物理的特性
| スペクトル型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.158 |
観測
| 見かけの等級 | +0.45 |
| 絶対等級 | -2.70 |
| 距離 | 139 ly |
位置
| 赤経 | 1h 37.71m |
| 赤緯 | -57° 14.21′ |
よくある質問
What type of star is アケルナル?
アケルナル is a Class B — B-type (Blue-White) star.
How far is アケルナル from Earth?
アケルナル is approximately 139.4 light-years from Earth.
Can you see アケルナル with the naked eye?
With an apparent magnitude of 0.45, アケルナル is visible to the naked eye.