Tau Cen
Tau Cen
Tau Cen is a A-type (White) star located in the constellation Centaurus. It carries the designation Tau Cen.
Located approximately 131.2 light-years from Earth, Tau Cen resides within the broader disk of our Milky Way galaxy.
Tau Cen is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.85, Tau Cen 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-white hue, which corresponds to a B-V color index of +0.049.
Physical Properties
| Spectral Class | A Class A — A-type (White) |
| Color Index (B−V) | 0.049 |
Observation
| Apparent Magnitude | +3.85 |
| Absolute Magnitude | 0.83 |
| Distance | 131 ly |
| Constellation | Centaurus |
Position
| Right Ascension | 12h 37.70m |
| Declination | -48° 32.48′ |
Frequently Asked Questions
What type of star is Tau Cen?
Tau Cen is a Class A — A-type (White) star.
How far is Tau Cen from Earth?
Tau Cen is approximately 131.2 light-years from Earth.
Can you see Tau Cen with the naked eye?
With an apparent magnitude of 3.85, Tau Cen is visible to the naked eye.
What constellation is Tau Cen in?
Tau Cen is located in the constellation Centaurus.