A-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 , A-Oph will become visible around 20:52 (EDT), 20° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:21.
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|
Name
A-Oph
|
Object type
Star
|
Other names
Position
| Constellation: | Ophiuchus |
| Magnitude: | 5.02 (V) [3] 6.11 (BT) [2] 5.11 (VT) [2] 4.83 (G) [6] 5.29 (BP) [6] 4.23 (RP) [6] |
| B-V Color (mag): | 0.86 |
| Right ascension: | 17h15m20s [6] |
| Declination: | -26°36'24" [6] |
| Distance: | 6.0 parsec 19.4 lightyrs [6] |
| Proper motion (speed): | 1252.7 mas/yr [6] |
| Proper motion (pos ang): | 203.5° |
Derived quantities
| Absolute mag (V): | 6.15 |
Visibility from Cambridge
All times shown in Cambridge local time.