θ-Oph (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , θ-Oph is not observable – it will reach its highest point in the sky during daytime and is 0° below the horizon at dusk.
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Name
θ-Oph
|
Object type
Star
|
Other names
Position
| Right ascension: | 17h22m00s [6] |
| Declination: | −24°59'58" [6] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 3.26 (V) [3] 3.02 (BT) [2] 3.23 (VT) [2] 3.26 (G) [6] 3.29 (BP) [6] 3.40 (RP) [6] |
| Distance: | 133.7 parsec 435.8 lightyrs [5] |
| B-V Color (mag): | -0.19 |
| Proper motion (speed): | 25.0 mas/yr[5] |
| Proper motion (pos ang): | 197.1° |
Derived quantities
| Absolute mag (V): | -2.37 |
Sources