Acrab B
8Bet2Sco
Acrab B is a B-type (Blue-White) star located in the constellation Scorpius. It carries the designation 8Bet2Sco.
Located approximately 398.2 light-years from Earth, Acrab B resides within the broader disk of our Milky Way galaxy.
Acrab B is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.90, Acrab B 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 -0.024.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.024 |
Observation
| Apparent Magnitude | +4.90 |
| Absolute Magnitude | -0.53 |
| Distance | 398 ly |
| Constellation | Scorpius |
Position
| Right Ascension | 16h 5.44m |
| Declination | -19° 48.11′ |
Frequently Asked Questions
What type of star is Acrab B?
Acrab B is a Class B — B-type (Blue-White) star.
How far is Acrab B from Earth?
Acrab B is approximately 398.2 light-years from Earth.
Can you see Acrab B with the naked eye?
With an apparent magnitude of 4.90, Acrab B is visible to the naked eye.
What constellation is Acrab B in?
Acrab B is located in the constellation Scorpius.