φ-Oph (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn , φ-Oph is visible in the dawn sky, rising at 03:42 (EST) – 3 hours and 42 minutes before the Sun – and reaching an altitude of 23° above the south-eastern horizon before fading from view as dawn breaks around 06:16.
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|
Name
φ-Oph
|
Object type
Star
|
Other names
Position
| Constellation: | Ophiuchus |
| Magnitude: | 4.28 (V) [2] 5.44 (BT) [2] 4.38 (VT) [2] 3.98 (G) [4] 4.53 (BP) [4] 3.46 (RP) [4] |
| B-V Color (mag): | 0.90 |
| Right ascension: | 16h31m08s [4] |
| Declination: | -16°36'46" [4] |
| Distance: | 71.2 parsec 232.0 lightyrs [4] |
| Proper motion (speed): | 57.7 mas/yr [4] |
| Proper motion (pos ang): | 230.7° |
Derived quantities
| Absolute mag (V): | 0.02 |
Visibility from Ashburn
All times shown in Ashburn local time.