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12 Boötis
12 Boötis is a spectroscopic binary〔 in the constellation Boötes. It is approximately 120 light years from Earth. The primary component, 12 Boötis A, is a yellow-white F-type subgiant with an apparent magnitude of +4.82. Its companion, 12 Boötis B, is separated from the primary by approximately one arcsecond. The binary pair completes one orbit around its centre of mass once every 9.6045 days. ==References==
* (HR 5304 ) * (Image 12 Boötis )
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