| Identity |
| Name: | Nunki, sigma Sagittarii |
| Hipparcos catalog ID: | 92855 |
| Other star catalog entries: | HD 175191
SAO 187448
CoD C-26 13595
CPD P-26 6590
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| Appearance |
| Visual magnitude: | 2.05 (source: Hipparcos) |
| Spectral type: | B2.5V |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 18h 55m 15.91665s (+/-0.00002s) |
| Declination | -26° 17' 47.7393" (+/-0.0002") |
| Parallax: | 14.32 (+/-0.29) mas |
| Derived distance: | 228 light-years |
| Proper motion in R.A.: | 15.14 (+/-0.29) mas/year |
| Proper motion in declination: | -53.43 (+/-0.19) mas/year |
| Constellation: | Sagittarius | |