The star σ¹-UMa

Color-magnitude diagram
Image of σ¹-UMa
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From Cambridge , σ¹-UMa is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible around 21:46 (EDT), 31° above your north-western horizon. It will be lost to dawn twilight around 03:56, 20° above your northern horizon.

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Name σ¹-UMa
Object Type Star
Other Names
HR 3609
HD 77800
HIP 44857
TYC 4134-1397-1
Gaia DR2- 1068971975056597632
Constellation:Ursa Major
Magnitude:5.15 (V) [1]
7.14 (BT) [1]
5.32 (VT) [1]
4.51 (G) [2]
5.42 (BP) [2]
3.70 (RP) [2]
B-V Color (mag):1.55
Right ascension:09h08m23s [2]
Declination:+66°52'23" [2]
Distance:159.8 parsec
521.0 lightyrs [2]
Proper motion (speed):47.3 mas/yr [2]
Proper motion (pos ang):208.9°
Derived Quantities
Absolute mag (V):-0.87




Color scheme