Tuesday, November 16, 2004

Cor Caroli

Also called �Alpha Canum Venaticorum, � binary star in the constellation Canes Venatici consisting of a brighter component (A) of visual magnitude 2.9 and a companion (B) of magnitude 5.5. It is the prototype for a group of unusual spectrum-variable stars that show strong and fluctuating absorption lines of silicon, chromium, strontium, or certain rare earths. Europium apparently is concentrated around one magnetic


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