τ-UMa (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

Show information for


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
τ-UMa
Tau Ursae Majoris
14-UMa
14 Ursae Majoris
HR 3624[1]
HD 78362
HIP 45075[3]
TYC 4138-1687-1[2]
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

Share