ξ-Oph (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Columbus , ξ-Oph will become visible at around 21:38 (EDT), 28° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:01.
|
Name
ξ-Oph
|
Object type
Star
|
Position
| Right ascension: | 17h21m00s [2] |
| Declination: | −21°06'44" [2] |
| Constellation: | Ophiuchus |
| Magnitude: | 4.39 (V) [2] |
| Distance: | 17.4 parsec 56.6 lightyrs [3] |
| B-V Color (mag): | 0.39 |
| Proper motion (speed): | 334.6 mas/yr[3] |
| Proper motion (pos ang): | 128.0° |
Derived quantities
| Absolute mag (V): | 3.19 |
Sources