σ²-UMa (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 , σ²-UMa is visible all night because it is circumpolar. It will be highest in the sky at 22:31, 65° above your northern horizon. At dusk, it will become visible at around 19:52 (EDT), 57° above your north-eastern horizon. It will be lost to dawn twilight at around 05:53, 31° above your north-western horizon.
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|
Name
σ²-UMa
|
Object type
Star
|
Other names
Position
| Right ascension: | 09h10m23s [4] |
| Declination: | +67°08'01" [4] |
| Constellation: | Ursa Major |
| Magnitude: Variable | 4.82 (V) [2] 5.38 (BT) [2] 4.87 (VT) [2] 4.68 (G) [4] 4.94 (BP) [4] 4.28 (RP) [4] |
| Distance: | 20.5 parsec 66.9 lightyrs [4] |
| B-V Color (mag): | 0.44 |
| Proper motion (speed): | 88.9 mas/yr[4] |
| Proper motion (pos ang): | 171.5° |
Derived quantities
| Absolute mag (V): | 3.26 |
Visibility from Cambridge
All times shown in Cambridge local time.