Sigma Sagittarii (Nunki)
Sigma Sagittarii (σ Sgr), also known as Nunki, is a spectral class B2.5V star of magnitude 2.05 located in the constellation Sagittarius. σ Sgr is one of the brighter stars in Sagittarius and can be seen by the naked eye under dark skies or with binoculars.
- Name:
- Sigma Sagittarii
- Short name:
- σ Sgr
- Common name:
- Nunki
- Spectral class:
- B2.5V
- Magnitude:
- 2.05
- Right Acension:
- 18h 55m 15.92s
- Declination:
- -26° 17' 47.7"
- Constellation:
- Sagittarius