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 is visible all night. It will become visible at around 20:45 (EDT) as the dusk sky fades, 55° above your south-eastern horizon. It will be lost to dawn twilight at around 04:38, 14° above your western horizon.
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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: | 10.8 parsec 35.2 lightyrs [2] |
| Proper motion (speed): | 2277.9 mas/yr [2] |
| Proper motion (pos ang): | 208.8° |
Derived Quantities
| Absolute Mag (V): | -0.00 |