PI URSAE MINORIS

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.

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π¹ Ursae Minoris

π² Ursae Minoris

π¹ Ursae Minoris

'Pi-1 Ursae Minoris' is a triple star system approximately 70.8 light years from Earth. The system is dominated by a binary pair of two yellow G-type subgiants which are 32 arcseconds apart and have apparent magnitudes of +6.9 and +7.8. They also have an 11th magnitude companion, 'Pi-1 Ursae Minoris C', which is 135 arcseconds away.

π² Ursae Minoris

'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.