C-Oph (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , c-Oph is visible in the dawn sky, rising at 00:48 (EDT) and reaching an altitude of 23° above the southern horizon before fading from view as dawn breaks at around 05:07.
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Name
C-Oph
|
Object type
Star
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Other names
Position
| Right ascension: | 17h31m24s [4] |
| Declination: | −23°57'45" [4] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 4.79 (V) [2] 4.81 (BT) [2] 4.79 (VT) [2] 4.75 (G) [4] 4.78 (BP) [4] 4.69 (RP) [4] |
| Distance: | 125.7 parsec 409.9 lightyrs [4] |
| B-V Color (mag): | 0.02 |
| Proper motion (speed): | 25.6 mas/yr[4] |
| Proper motion (pos ang): | 178.1° |
Derived quantities
| Absolute mag (V): | -0.70 |
Sources