| Identity |
| Name: | omega Ophiuchi |
| Hipparcos catalog ID: | 80975 |
| Other star catalog entries: | HD 148898
SAO 184450
BD B-21 4381
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| Appearance |
| Visual magnitude: | 4.45 (source: ground based) |
| Spectral type: | Ap |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 16h 32m 8.18659s (+/-0.00001s) |
| Declination | -21° 27' 59.3205" (+/-0.0001") |
| Parallax: | 19.34 (+/-0.21) mas |
| Derived distance: | 169 light-years |
| Proper motion in R.A.: | 21.12 (+/-0.24) mas/year |
| Proper motion in declination: | 35.26 (+/-0.18) mas/year |
| Constellation: | Ophiuchus | |