Encyclopedia : 2 : 23 : 23U (1 articles)

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23 Ursae Majoris
23 Ursae Majoris, or 23 UMa, is a triple star in the constellation Ursa Major. Its main components, 23 UMa A and 23 UMa B, are approximately 75.5 light years from Earth. The primary component, 23 Ursae Majoris A, is a yellow-white F-type subgiant with an apparent magnitude of +3.65. At a se..

 

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