ζ-Oph (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , ζ-Oph is not observable – it will reach its highest point in the sky during daytime and is no higher than 3° above the horizon at dusk.
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Name
ζ-Oph
|
Object type
Star
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Other names
Position
| Right ascension: | 16h37m09s [6] |
| Declination: | −10°34'01" [6] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 2.58 (V) [3] 2.60 (BT) [2] 2.58 (VT) [2] 2.56 (G) [6] 3.01 (BP) [6] 2.57 (RP) [6] |
| Distance: | 135.0 parsec 440.0 lightyrs [6] |
| B-V Color (mag): | 0.01 |
| Proper motion (speed): | 26.9 mas/yr[6] |
| Proper motion (pos ang): | 22.9° |
Derived quantities
| Absolute mag (V): | -3.07 |
Sources