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 Seattle , Rasalhague will become visible around 21:06 (PDT) as the dusk sky fades, 54° above your southern horizon. It will then sink towards the horizon, setting at 03:35.
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|
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: | 14.9 parsec 48.6 lightyrs [3] |
| Proper motion (speed): | 246.5 mas/yr [3] |
| Proper motion (pos ang): | 154.0° |
Derived Quantities
| Absolute mag (V): | 1.22 |