σ¹-UMa (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , σ¹-UMa is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 21:41 (EDT), 30° above your north-western horizon. It will be lost to dawn twilight at around 03:56, 21° above your northern horizon.
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Name
σ¹-UMa
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Object type
Star
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Other names
Position
| Right ascension: | 09h08m23s [4] |
| Declination: | +66°52'22" [4] |
| Constellation: | Ursa Major |
| Magnitude: | 5.15 (V) [2] 7.14 (BT) [2] 5.32 (VT) [2] 4.56 (G) [4] 5.40 (BP) [4] 3.67 (RP) [4] |
| Distance: | 156.1 parsec 508.8 lightyrs [4] |
| B-V Color (mag): | 1.55 |
| Proper motion (speed): | 46.5 mas/yr[4] |
| Proper motion (pos ang): | 208.9° |
Derived quantities
| Absolute mag (V): | -0.81 |
Sources