κ-Oph (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , κ-Oph is difficult to observe as it will appear no higher than 19° above the horizon. It will become visible at around 17:24 (EST), 19° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 59 minutes after the Sun at 19:15.
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Name
κ-Oph
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Object type
Star
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Other names
Position
| Right ascension: | 16h57m39s [4] |
| Declination: | +09°22'29" [4] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 3.19 (V) [2] 4.67 (BT) [2] 3.31 (VT) [2] 2.88 (G) [4] 3.69 (BP) [4] 2.38 (RP) [4] |
| Distance: | 26.9 parsec 87.8 lightyrs [4] |
| B-V Color (mag): | 1.16 |
| Proper motion (speed): | 292.8 mas/yr[4] |
| Proper motion (pos ang): | 268.1° |
Derived quantities
| Absolute mag (V): | 1.04 |
Sources