Tianguan
123Zet Tau
Tianguan is a B-type (Blue-White) star located in the constellation Taurus. It carries the designation 123Zet Tau.
Located approximately 445.0 light-years from Earth, Tianguan resides within the broader disk of our Milky Way galaxy.
Tianguan is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +2.97, Tianguan 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 -0.148.
物理的特性
| スペクトル型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.148 |
観測
| 見かけの等級 | +2.97 |
| 絶対等級 | -2.70 |
| 距離 | 445 ly |
| 星座 | Taurus |
位置
| 赤経 | 5h 37.64m |
| 赤緯 | 21° 8.55′ |
Frequently Asked Questions
What type of star is Tianguan?
Tianguan is a Class B — B-type (Blue-White) star.
How far is Tianguan from Earth?
Tianguan is approximately 445.0 light-years from Earth.
Can you see Tianguan with the naked eye?
With an apparent magnitude of 2.97, Tianguan is visible to the naked eye.
What constellation is Tianguan in?
Tianguan is located in the constellation Taurus.