Arcturus (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), Arcturus is difficult to observe as it will appear no higher than 17° above the horizon. It will become visible at around 18:47 (EDT) as the dusk sky fades, 17° above your western horizon. It will then sink towards the horizon, setting 2 hours and 9 minutes after the Sun at 20:26.
|
Name
Arcturus
|
Object Type
Star
|
Position
| Constellation: | Bootes |
| Magnitude: Variable | 0.16 (V)[2] 1.63 (BT)[1] 0.29 (VT)[1] |
| B-V Color (mag): | 1.14 |
| Right Ascension: | 14h15m40s [2] |
| Declination: | +19°11'14" [2] |
| Distance: | 10.8 parsec 35.2 lightyears [2] |
| Proper motion (speed): | 2277.9 mas/yr [2] |
| Proper motion (pos ang): | 208.8° |
Derived Quantities
| Absolute Mag (V): | -0.00 |