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 Cambridge , Arcturus will become visible around 20:07 (EDT) as the dusk sky fades, 44° above your western horizon. It will then sink towards the horizon, setting at 00:18.
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|
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: | 11.3 parsec 36.7 lightyrs [3] |
| Proper motion (speed): | 2279.4 mas/yr [3] |
| Proper motion (pos ang): | 208.7° |
Derived Quantities
| Absolute mag (V): | -0.10 |