| Identity |
| Name: | eta Ophiuchi |
| Hipparcos catalog ID: | 84012 |
| Other catalog entries: | HD 155125
SAO 160332
BD B-15 4467
|
| |
| Appearance |
| Visual magnitude: | 2.43 (source: ground based) |
| Spectral type: | A2.5Va |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| R.A. | 17h 10m 22.66238s (+/-0.00008s) |
| Decl. | -15° 43' 30.5313" (+/-0.0007") |
| Parallax: | 38.77 (+/-0.86) |
| Derived distance: | 84.1 light years |
| Proper motion in R.A.: | 41.16 (+/-1.13) mas/year |
| Proper motion in decl.: | 97.65 (+/-0.65) mas/year |
| Constellation: | Ophiuchus | |