τ-UMa (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , τ-UMa is visible all night because it is circumpolar. It will be highest in the sky at 04:52, 67° above your northern horizon. At dusk, it will become visible at around 17:37 (EST), 15° above your northern horizon. It will be lost to dawn twilight at around 05:38, 66° above your northern horizon.
Name
τ-UMa
|
Object type
Star
|
Other names
Position
Right ascension: | 09h10m55s [2] |
Declination: | +63°30'49" [2] |
Constellation: | Ursa Major |
Magnitude: | 4.65 (V) [2] 5.08 (BT) [2] 4.68 (VT) [2] |
Distance: | 38.7 parsec 126.3 lightyrs [3] |
B-V Color (mag): | 0.33 |
Proper motion (speed): | 120.5 mas/yr[3] |
Proper motion (pos ang): | 121.8° |
Derived quantities
Absolute mag (V): | 1.71 |
Sources