4 Tau
4 Tau
4 Tau is a A-type (White) star located in the constellation Taurus. It carries the designation 4 Tau.
Located approximately 361.2 light-years from Earth, 4 Tau resides within the broader disk of our Milky Way galaxy.
4 Tau is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.14, 4 Tau sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue hue, which corresponds to a B-V color index of -0.041.
Physical Properties
| Spectral Class | Class A — A-type (White) |
| Color Index (B−V) | -0.041 |
Observation
| Apparent Magnitude | +5.14 |
| Absolute Magnitude | -0.08 |
| Distance | 361 ly |
| Constellation | Taurus |
Position
| Right Ascension | 3h 30.41m |
| Declination | 11° 20.19′ |
Frequently Asked Questions
What type of star is 4 Tau?
4 Tau is a Class A — A-type (White) star.
How far is 4 Tau from Earth?
4 Tau is approximately 361.2 light-years from Earth.
Can you see 4 Tau with the naked eye?
With an apparent magnitude of 5.14, 4 Tau is visible to the naked eye.
What constellation is 4 Tau in?
4 Tau is located in the constellation Taurus.