Nunki
34Sig Sgr
Nunki is a B-type (Blue-White) star located in the constellation Sagittarius. It carries the designation 34Sig Sgr.
Located approximately 227.8 light-years from Earth, Nunki resides within the broader disk of our Milky Way galaxy.
Nunki is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +2.05, Nunki 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 -0.134.
Physical Properties
| Spectral Class | B Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.134 |
Observation
| Apparent Magnitude | +2.05 |
| Absolute Magnitude | -2.17 |
| Distance | 228 ly |
| Constellation | Sagittarius |
Position
| Right Ascension | 18h 55.27m |
| Declination | -26° 17.80′ |
Frequently Asked Questions
What type of star is Nunki?
Nunki is a Class B — B-type (Blue-White) star.
How far is Nunki from Earth?
Nunki is approximately 227.8 light-years from Earth.
Can you see Nunki with the naked eye?
With an apparent magnitude of 2.05, Nunki is visible to the naked eye.
What constellation is Nunki in?
Nunki is located in the constellation Sagittarius.