Alpha Crucis
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Acrux is the brightest star in the constellation Crux, the Southern Cross, and, at a combined visual magnitude 0.77, is the twelfth brightest star in the night sky. Acrux is the southernmost first-magnitude star, just a bit more southerly than Alpha Centauri. Acrux is a multiple star located 321 light years from the solar system. Only two components are visually distinguishable, 1 and 2, separated by 4 arcseconds. 1 is magnitude 1.40 and 2 is magnitude 2.09, both hot…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Acrux is the brightest star in the constellation Crux, the Southern Cross, and, at a combined visual magnitude 0.77, is the twelfth brightest star in the night sky. Acrux is the southernmost first-magnitude star, just a bit more southerly than Alpha Centauri. Acrux is a multiple star located 321 light years from the solar system. Only two components are visually distinguishable, 1 and 2, separated by 4 arcseconds. 1 is magnitude 1.40 and 2 is magnitude 2.09, both hot class B stars, with surface temperatures of about 28,000 and 26,000 K respectively.