Dubhe (Star)

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

Show information for


From Fairfield , Dubhe is visible all night because it is circumpolar. It will be highest in the sky at 20:59, 69° above your northern horizon. At dusk, it will become visible at around 20:47 (EDT), 69° above your northern horizon. It will be lost to dawn twilight at around 04:50, 24° above your north-western horizon.

Name Dubhe
Object type Star
Other names
Dubhe
α-UMa
Alpha Ursae Majoris
50-UMa
50 Ursae Majoris
HR 4301[1]
HD 95689
NSV 5070
HIP 54061[5]
TYC 4146-1274-1[4]
Position
Right ascension:11h03m43s [3]
Declination:+61°45'04" [3]
Constellation:Ursa Major
Magnitude:
Variable
1.82 (V) [3]
3.19 (BT) [2]
1.93 (VT) [2]
Distance:37.7 parsec
122.8 lightyrs [5]
B-V Color (mag):1.06
Proper motion (speed):138.5 mas/yr[5]
Proper motion (pos ang):255.5°
Derived quantities
Absolute mag (V):-1.06

Share