| Identity |
| Name: | Yed Prior, delta Ophiuchi |
| Hipparcos catalog ID: | 79593 |
| Other star catalog entries: | HD 146051 SAO 141052 BD B-03 3903
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| Appearance |
| Visual magnitude: | 2.73 (source: Hipparcos) |
| Spectral type: | M1III |
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| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 16h 14m 20.76632s (+/-0.00001s) |
| Declination | -3° 41' 38.3123" (+/-0.0001") |
| Parallax: | 19.06 (+/-0.16) mas |
| Derived distance: | 171 light-years |
| Proper motion in R.A.: | -47.54 (+/-0.22) mas/year |
| Proper motion in declination: | -142.73 (+/-0.14) mas/year |
| Constellation: | Ophiuchus | |