18 Tau
18 Tau
18 Tau is a B-type (Blue-White) star located in the constellation Taurus. It carries the designation 18 Tau.
Located approximately 409.2 light-years from Earth, 18 Tau resides within the broader disk of our Milky Way galaxy.
18 Tau is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.66, 18 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 -0.064.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.064 |
Observation
| Apparent Magnitude | +5.66 |
| Absolute Magnitude | 0.17 |
| Distance | 409 ly |
| Constellation | Taurus |
Position
| Right Ascension | 3h 45.16m |
| Declination | 24° 50.36′ |
Frequently Asked Questions
What type of star is 18 Tau?
18 Tau is a Class B — B-type (Blue-White) star.
How far is 18 Tau from Earth?
18 Tau is approximately 409.2 light-years from Earth.
Can you see 18 Tau with the naked eye?
With an apparent magnitude of 5.66, 18 Tau is visible to the naked eye.
What constellation is 18 Tau in?
18 Tau is located in the constellation Taurus.