47-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 Cambridge , 47-Oph is visible all night. It will become visible at around 21:49 (EDT), 28° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:47, 42° above your southern horizon. It will be lost to dawn twilight at around 03:36, 28° above your south-western horizon.
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|
Name
47-Oph
|
Object type
Star
|
Other names
Position
| Right ascension: | 17h26m37s [6] |
| Declination: | −05°05'12" [6] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 4.54 (V) [3] 4.99 (BT) [2] 4.58 (VT) [2] 4.41 (G) [6] 4.62 (BP) [6] 4.08 (RP) [6] |
| Distance: | 32.3 parsec 105.2 lightyrs [6] |
| B-V Color (mag): | 0.39 |
| Proper motion (speed): | 102.6 mas/yr[6] |
| Proper motion (pos ang): | 245.1° |
Derived quantities
| Absolute mag (V): | 2.00 |
Visibility from Cambridge
All times shown in Cambridge local time.