φ-Oph (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , φ-Oph is not observable – it will reach its highest point in the sky during daytime and is 5° below the horizon at dusk.
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Name
φ-Oph
|
Object type
Star
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Other names
Position
| Right ascension: | 16h31m08s [4] |
| Declination: | −16°36'46" [4] |
| Constellation: | Ophiuchus |
| Magnitude: | 4.28 (V) [2] 5.44 (BT) [2] 4.38 (VT) [2] 4.05 (G) [4] 4.51 (BP) [4] 3.43 (RP) [4] |
| Distance: | 73.4 parsec 239.3 lightyrs [4] |
| B-V Color (mag): | 0.90 |
| Proper motion (speed): | 59.4 mas/yr[4] |
| Proper motion (pos ang): | 230.9° |
Derived quantities
| Absolute mag (V): | -0.05 |
Sources