40Tau Sgr
40Tau Sgr
40Tau Sgr is a K-type (Orange) star located in the constellation Sagittarius. It carries the designation 40Tau Sgr.
Located approximately 121.6 light-years from Earth, 40Tau Sgr resides within the broader disk of our Milky Way galaxy.
40Tau Sgr is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
At an apparent magnitude of +3.32, 40Tau 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 orange hue, which corresponds to a B-V color index of +1.169.
物理特性
| 光谱类型 | K Class K — K-type (Orange) |
| 色指数 (B−V) | 1.169 |
观测
| 视星等 | +3.32 |
| 绝对星等 | 0.46 |
| 距离 | 122 ly |
| 星座 | Sagittarius |
位置
| 赤经 | 19h 6.94m |
| 赤纬 | -27° 40.23′ |
Frequently Asked Questions
What type of star is 40Tau Sgr?
40Tau Sgr is a Class K — K-type (Orange) star.
How far is 40Tau Sgr from Earth?
40Tau Sgr is approximately 121.6 light-years from Earth.
Can you see 40Tau Sgr with the naked eye?
With an apparent magnitude of 3.32, 40Tau Sgr is visible to the naked eye.
What constellation is 40Tau Sgr in?
40Tau Sgr is located in the constellation Sagittarius.