The star A-Oph
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 , A-Oph is visible in the morning sky, becoming accessible around 02:22, when it reaches an altitude of 18° above your south-eastern horizon. It will then reach its highest point in the sky at 04:22, 24° above your southern horizon. It will be lost to dawn twilight around 05:14, 23° above your southern horizon.
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|
Name
A-Oph
|
Object Type
Star
|
Position
| Constellation: | Ophiuchus |
| Magnitude: | 4.33 (V) [2] 6.11 (BT) [2] 5.11 (VT) [2] |
| B-V Color (mag): | 0.85 |
| Right ascension: | 17h15m21s [2] |
| Declination: | -26°36'00" [2] |
| Distance: | 6.0 parsec 19.5 lightyrs [2] |
| Proper motion (speed): | 1238.1 mas/yr [2] |
| Proper motion (pos ang): | 202.5° |
Derived Quantities
| Absolute mag (V): | 5.44 |
Visibility from Ashburn
All times shown in Ashburn local time.