ω-Oph (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , ω-Oph will become visible at around 20:58 (EDT), 23° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:16.
|
Name
ω-Oph
|
Object type
Star
|
Position
| Right ascension: | 16h32m08s [3] |
| Declination: | −21°27'59" [3] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 4.44 (V) [3] 4.61 (BT) [2] 4.46 (VT) [2] |
| Distance: | 51.7 parsec 168.6 lightyrs [5] |
| B-V Color (mag): | 0.14 |
| Proper motion (speed): | 41.1 mas/yr[5] |
| Proper motion (pos ang): | 30.9° |
Derived quantities
| Absolute mag (V): | 0.87 |
Sources