Rasalhague (Star)
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn (click to change), Rasalhague will become visible at around 19:07 (EDT) as the dusk sky fades, 47° above your south-western horizon. It will then sink towards the horizon, setting 5 hours and 3 minutes after the Sun at 23:20.
|
Name
Rasalhague
|
Object Type
Star
|
Position
| Constellation: | Ophiuchus |
| Magnitude: Variable | 2.09 (V)[2] 2.31 (BT)[1] 2.11 (VT)[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 |