Pi Ursae Minoris

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The Bayer designation Pi Ursae Minoris (π UMi, π Ursae Minoris) is shared by two star systems, π1 Ursae Minoris and π2 Ursae Minoris, in the constellation Ursa Minor. They are separated by 0.64° on the sky.

π² Ursae Minoris[edit]

π² Ursae Minoris
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Ursa Minor
Right ascension 15h 39m 38.72s
Declination +79° 58' 59.2"
Apparent magnitude (V) +6.89
Distance 384 ± 42 ly
(118 ± 13 pc)
Spectral type F2V
Other designations
18 Ursae Minoris, HD 141652, BD+80 487, HIP 76695, SAO 2588, GC 21163, ADS 9769, CCDM 15396+7959

Pi-2 Ursae Minoris is a binary star approximately 384 light years from Earth. The primary component, Pi-2 Ursae Minoris A, is a yellow-white F-type star with an apparent magnitude of +6.89. The companion star, Pi-2 Ursae Minoris B, has an apparent magnitude of +8.3 and is 0.67 arcseconds from the primary. The binary star completes one orbit every 188 years.