Rasalhague (Star)
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 Ashburn , Rasalhague is not observable – it will reach its highest point in the sky during daytime and is no higher than 13° above the horizon at dusk.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
Rasalhague
|
Object Type
Star
|
Position
| Constellation: | Ophiuchus |
| Magnitude: Variable | 2.09 (V)[2] 2.11 (VT)[1] 2.31 (BT)[1] |
| B-V Color (mag): | 0.19 |
| Right Ascension: | 17h34m56s [2] |
| Declination: | +12°33'38" [2] |
| Distance: | 14.8 parsec 48.4 lightyears [2] |
| Proper motion (speed): | 252.5 mas/yr [2] |
| Proper motion (pos ang): | 153.3° |
Derived Quantities
| Absolute Mag (V): | 1.23 |