R-UMa (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , R-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 05:29, 62° above your northern horizon. At dusk, it will become visible at around 17:27 (EST), 21° above your northern horizon.
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Name
R-UMa
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Object type
Star
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Other names
Position
| Right ascension: | 10h44m38s [5] |
| Declination: | +68°46'32" [5] |
| Constellation: | Ursa Major |
| Magnitude: | 8.40 (V) [2] 9.82 (BT) [1] 8.52 (VT) [1] 7.92 (G) [5] 11.61 (BP) [5] 6.41 (RP) [5] |
| Distance: | 572.6 parsec 1866.6 lightyrs [5] |
| B-V Color (mag): | 1.10 |
| Proper motion (speed): | 47.5 mas/yr[5] |
| Proper motion (pos ang): | 238.9° |
Derived quantities
| Absolute mag (V): | -0.39 |
Sources