The star ξ-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 , ξ-Oph will become visible around 20:52 (EDT) as the dusk sky fades, 25° above your southern horizon. It will then sink towards the horizon, setting 5 hours and 20 minutes after the Sun at 00:58.
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|
Name
ξ-Oph
|
Object Type
Star
|
Position
| Constellation: | Ophiuchus |
| Magnitude: | 4.39 (V)[1] |
| B-V Color (mag): | 0.39 |
| Right ascension: | 17h21m00s [1] |
| Declination: | -21°06'44" [1] |
| Distance: | 17.4 parsec 56.6 lightyrs [2] |
| Proper motion (speed): | 334.6 mas/yr [2] |
| Proper motion (pos ang): | 128.0° |
Derived Quantities
| Absolute mag (V): | 3.19 |