| Identity |
| Name: | Nunki, sigma Sagittarii |
| Hipparcos catalog ID: | 92855 |
| Other 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 |
| R.A. | 18h 55m 15.91669s (+/-0.00006s) |
| Decl. | -26° 17' 47.7394" (+/-0.0004") |
| Parallax: | 14.54 (+/-0.88) |
| Derived distance: | 224 light years |
| Proper motion in R.A.: | 13.87 (+/-1.09) mas/year |
| Proper motion in decl.: | -52.65 (+/-0.6) mas/year |
| Constellation: | Sagittarius | |