Arkab Prior
Bet1Sgr
Arkab Prior is a B-type (Blue-White) star located in the constellation Sagittarius. It carries the designation Bet1Sgr.
Located approximately 313.6 light-years from Earth, Arkab Prior resides within the broader disk of our Milky Way galaxy.
Arkab Prior is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.96, Arkab Prior 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 -0.085.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.085 |
Observation
| Apparent Magnitude | +3.96 |
| Absolute Magnitude | -0.96 |
| Distance | 314 ly |
| Constellation | Sagittarius |
Position
| Right Ascension | 19h 22.64m |
| Declination | -44° 27.54′ |
Frequently Asked Questions
What type of star is Arkab Prior?
Arkab Prior is a Class B — B-type (Blue-White) star.
How far is Arkab Prior from Earth?
Arkab Prior is approximately 313.6 light-years from Earth.
Can you see Arkab Prior with the naked eye?
With an apparent magnitude of 3.96, Arkab Prior is visible to the naked eye.
What constellation is Arkab Prior in?
Arkab Prior is located in the constellation Sagittarius.