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are ? Crucis A (?¹ Crucis) and ? Crucis B (?² Crucis), separated by 3.9". ?¹ is magnitude 1.33 whereas ?² is magnitude 1.75. Spectral types of B0.5 IV and B1 V have been assigned for the components, showing that they are hot B-type stars. They orbit over such a long period that motion is only barely seen. From their projected separation of 430 astronomical units, the period

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