The star A-Oph
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Cambridge , A-Oph will become visible around 20:52 (EDT) as the dusk sky fades, 20° above your southern horizon. It will then sink towards the horizon, setting 4 hours and 48 minutes after the Sun at 00:26.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
A-Oph
|
Object Type
Star
|
Position
| Constellation: | Ophiuchus |
| Magnitude: | 4.33 (V)[1] 6.11 (BT)[1] 5.11 (VT)[1] |
| B-V Color (mag): | 0.85 |
| Right ascension: | 17h15m21s [1] |
| Declination: | -26°36'00" [1] |
| Distance: | 6.0 parsec 19.5 lightyrs [1] |
| Proper motion (speed): | 1238.1 mas/yr [1] |
| Proper motion (pos ang): | 202.5° |
Derived Quantities
| Absolute mag (V): | 5.44 |
Source