45Eps Per
45Eps Per
45Eps Per is a B-type (Blue-White) star located in the constellation Perseus. It carries the designation 45Eps Per.
Located approximately 638.3 light-years from Earth, 45Eps Per resides within the broader disk of our Milky Way galaxy.
45Eps Per is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +2.90, 45Eps Per is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue hue, which corresponds to a B-V color index of -0.199.
物理特性
| 光谱类型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.199 |
观测
| 视星等 | +2.90 |
| 绝对星等 | -3.56 |
| 距离 | 638 ly |
| 星座 | Perseus |
位置
| 赤经 | 3h 57.85m |
| 赤纬 | 40° 0.61′ |
Frequently Asked Questions
What type of star is 45Eps Per?
45Eps Per is a Class B — B-type (Blue-White) star.
How far is 45Eps Per from Earth?
45Eps Per is approximately 638.3 light-years from Earth.
Can you see 45Eps Per with the naked eye?
With an apparent magnitude of 2.90, 45Eps Per is visible to the naked eye.
What constellation is 45Eps Per in?
45Eps Per is located in the constellation Perseus.