Alkaid (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 , Alkaid will become visible at around 21:24 (EDT), 68° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 03:45 when it dips 13° above your north-western horizon.
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|
Name
Alkaid
|
Object type
Star
|
Other names
Position
| Right ascension: | 13h47m32s [3] |
| Declination: | +49°18'47" [3] |
| Constellation: | Ursa Major |
| Magnitude: Variable | 1.86 (V) [3] 1.73 (BT) [2] 1.84 (VT) [2] |
| Distance: | 31.9 parsec 103.9 lightyrs [5] |
| B-V Color (mag): | -0.10 |
| Proper motion (speed): | 122.1 mas/yr[5] |
| Proper motion (pos ang): | 263.0° |
Derived quantities
| Absolute mag (V): | -0.66 |
Visibility from Cambridge
All times shown in Cambridge local time.