| Identity |
| Name: | Marfik, lambda Ophiuchi |
| Hipparcos catalog ID: | 80883 |
| Other star catalog entries: | HD 148857 SAO 121658 BD B+02 3118
|
| |
| Appearance |
| Visual magnitude: | 3.82 (source: ground based) |
| Spectral type: | A2V |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 16h 30m 54.84122s (+/-0.00004s) |
| Declination | 1° 59' 2.7634" (+/-0.0005") |
| Parallax: | 18.84 (+/-0.55) mas |
| Derived distance: | 173 light-years |
| Proper motion in R.A.: | -30.98 (+/-0.61) mas/year |
| Proper motion in declination: | -73.42 (+/-0.58) mas/year |
| Constellation: | Ophiuchus | |