Eta Sgr
Eta Sgr
Eta Sgr is a M-type (Red) star located in the constellation Sagittarius. It carries the designation Eta Sgr.
Located approximately 145.9 light-years from Earth, Eta Sgr resides within the broader disk of our Milky Way galaxy.
Eta Sgr is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +3.10, Eta Sgr 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 red hue, which corresponds to a B-V color index of +1.582.
物理特性
| 光谱类型 | M Class M — M-type (Red) |
| 色指数 (B−V) | 1.582 |
观测
| 视星等 | +3.10 |
| 绝对星等 | -0.15 |
| 距离 | 146 ly |
| 星座 | Sagittarius |
位置
| 赤经 | 18h 17.63m |
| 赤纬 | -36° 45.70′ |
Frequently Asked Questions
What type of star is Eta Sgr?
Eta Sgr is a Class M — M-type (Red) star.
How far is Eta Sgr from Earth?
Eta Sgr is approximately 145.9 light-years from Earth.
Can you see Eta Sgr with the naked eye?
With an apparent magnitude of 3.10, Eta Sgr is visible to the naked eye.
What constellation is Eta Sgr in?
Eta Sgr is located in the constellation Sagittarius.