Eta Cen
Eta Cen
Eta Cen is a B-type (Blue-White) star located in the constellation Centaurus. It carries the designation Eta Cen.
Located approximately 305.7 light-years from Earth, Eta Cen resides within the broader disk of our Milky Way galaxy.
Eta Cen is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +2.33, Eta Cen 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 -0.157.
物理特性
| 光谱类型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.157 |
观测
| 视星等 | +2.33 |
| 绝对星等 | -2.53 |
| 距离 | 306 ly |
| 星座 | Centaurus |
位置
| 赤经 | 14h 35.51m |
| 赤纬 | -42° 9.47′ |
Frequently Asked Questions
What type of star is Eta Cen?
Eta Cen is a Class B — B-type (Blue-White) star.
How far is Eta Cen from Earth?
Eta Cen is approximately 305.7 light-years from Earth.
Can you see Eta Cen with the naked eye?
With an apparent magnitude of 2.33, Eta Cen is visible to the naked eye.
What constellation is Eta Cen in?
Eta Cen is located in the constellation Centaurus.