π¹-UMi (Star)

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

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From Fairfield , π¹-UMi is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.

Name π¹-UMi
Object type Star
Other names
π¹-UMi
Pi1 Ursae Minoris
HR 5829[1]
HD 139777
HIP 75809[3]
TYC 4566-1950-1[2]
Gaia EDR3- 1720995598827435648[4]
Position
Right ascension:15h29m09s [4]
Declination:+80°26'56" [4]
Constellation:Ursa Minor
Magnitude:6.58 (V) [2]
7.37 (BT) [2]
6.64 (VT) [2]
6.47 (G) [4]
6.79 (BP) [4]
5.97 (RP) [4]
Distance:21.8 parsec
71.1 lightyrs [4]
B-V Color (mag):0.62
Proper motion (speed):249.2 mas/yr[4]
Proper motion (pos ang):295.6°
Derived quantities
Absolute mag (V):4.88

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