A-UMa (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , A-UMa is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 04:36, 31° above your north-eastern horizon. At dusk, it will become visible at around 20:56 (EDT), 21° above your northern horizon.
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Name
A-UMa
|
Object type
Star
|
Position
| Right ascension: | 08h34m36s [2] |
| Declination: | +65°08'42" [2] |
| Constellation: | Ursa Major |
| Magnitude: | 5.46 (V) [2] 5.70 (BT) [2] 5.48 (VT) [2] |
| Distance: | 46.8 parsec 152.4 lightyrs [3] |
| B-V Color (mag): | 0.19 |
| Proper motion (speed): | 63.3 mas/yr[3] |
| Proper motion (pos ang): | 227.9° |
Derived quantities
| Absolute mag (V): | 2.11 |
Sources