Tianguan

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.