11 Per
11 Per
11 Per is a B-type (Blue-White) star located in the constellation Perseus. It carries the designation 11 Per.
Located approximately 431.4 light-years from Earth, 11 Per resides within the broader disk of our Milky Way galaxy.
11 Per is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.76, 11 Per 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 hue, which corresponds to a B-V color index of -0.110.
物理的特性
| スペクトル型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.110 |
観測
| 見かけの等級 | +5.76 |
| 絶対等級 | 0.15 |
| 距離 | 431 ly |
| 星座 | Perseus |
位置
| 赤経 | 2h 43.05m |
| 赤緯 | 55° 6.36′ |
Frequently Asked Questions
What type of star is 11 Per?
11 Per is a Class B — B-type (Blue-White) star.
How far is 11 Per from Earth?
11 Per is approximately 431.4 light-years from Earth.
Can you see 11 Per with the naked eye?
With an apparent magnitude of 5.76, 11 Per is visible to the naked eye.
What constellation is 11 Per in?
11 Per is located in the constellation Perseus.