| Identity |
| Name: | nu Ophiuchi |
| Hipparcos catalog ID: | 88048 |
| Other star catalog entries: | HD 163917
SAO 142004
BD B-09 4632
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| |
| Appearance |
| Visual magnitude: | 3.32 (source: Hipparcos) |
| Spectral type: | K0III |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 17h 59m 1.59752s (+/-0.00002s) |
| Declination | -9° 46' 24.0588" (+/-0.0001") |
| Parallax: | 21.64 (+/-0.26) mas |
| Derived distance: | 151 light-years |
| Proper motion in R.A.: | -9.48 (+/-0.32) mas/year |
| Proper motion in declination: | -116.69 (+/-0.14) mas/year |
| Constellation: | Ophiuchus | |