The star ω-Oph
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , ω-Oph will become visible around 20:41 (EDT) as the dusk sky fades, 22° above your south-western horizon. It will then sink towards the horizon, setting at 23:40.
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|
Name
ω-Oph
|
Object Type
Star
|
Position
| Constellation: | Ophiuchus |
| Magnitude: Variable | 4.44 (V) [2] 4.61 (BT) [1] 4.46 (VT) [1] |
| B-V Color (mag): | 0.14 |
| Right ascension: | 16h32m08s [2] |
| Declination: | -21°27'59" [2] |
| Distance: | 51.7 parsec 168.6 lightyrs [3] |
| Proper motion (speed): | 41.1 mas/yr [3] |
| Proper motion (pos ang): | 30.9° |
Derived Quantities
| Absolute mag (V): | 0.87 |