B-UMa (Star)

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

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From South El Monte , b-UMa is visible in the dawn sky, becoming accessible around 03:51 (PDT), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 30° before fading from view as dawn breaks at 05:20.

Name B-UMa
Object type Star
Other names
b-UMa
b Ursae Majoris
5-UMa
5 Ursae Majoris
HR 3505[1]
HD 75486
HIP 43644[3]
TYC 4128-1827-1[2]
Gaia EDR3- 1042950073879881600[4]
Position
Right ascension:08h53m22s [4]
Declination:+61°57'44" [4]
Constellation:Ursa Major
Magnitude:5.72 (V) [2]
6.07 (BT) [2]
5.75 (VT) [2]
5.64 (G) [4]
5.79 (BP) [4]
5.36 (RP) [4]
Distance:85.3 parsec
278.2 lightyrs [4]
B-V Color (mag):0.27
Proper motion (speed):23.6 mas/yr[4]
Proper motion (pos ang):336.0°
Derived quantities
Absolute mag (V):1.06

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