Arcturus (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Arcturus will become visible at around 20:53 (EDT), 58° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:33.
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|
Name
Arcturus
|
Object type
Star
|
Other names
Position
| Right ascension: | 14h15m40s [3] |
| Declination: | +19°11'14" [3] |
| Constellation: | Bootes |
| Magnitude: Variable | 0.16 (V) [3] 1.63 (BT) [2] 0.29 (VT) [2] |
| Distance: | 11.3 parsec 36.7 lightyrs [5] |
| B-V Color (mag): | 1.14 |
| Proper motion (speed): | 2.28 arcsec/yr[5] |
| Proper motion (pos ang): | 208.7° |
Derived quantities
| Absolute mag (V): | -0.10 |
Visibility from Cambridge
All times shown in Cambridge local time.