Eta Cha
Eta Cha
Eta Cha is a B-type (Blue-White) star. It carries the designation Eta Cha.
Located approximately 309.7 light-years from Earth, Eta Cha resides within the broader disk of our Milky Way galaxy.
Eta Cha is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.46, Eta Cha 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 -0.101.
物理特性
| 光谱类型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.101 |
观测
| 视星等 | +5.46 |
| 绝对星等 | 0.57 |
| 距离 | 310 ly |
位置
| 赤经 | 8h 41.33m |
| 赤纬 | -78° 57.80′ |
常见问题
What type of star is Eta Cha?
Eta Cha is a Class B — B-type (Blue-White) star.
How far is Eta Cha from Earth?
Eta Cha is approximately 309.7 light-years from Earth.
Can you see Eta Cha with the naked eye?
With an apparent magnitude of 5.46, Eta Cha is visible to the naked eye.