Alphecca


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Alphecca

or

Alphekka

(al-fek -ă) (Gemma; α CrB) A blue-white star that is the brightest one in the constellation Corona Borealis. It is an eclipsing binary (separation 42″, period 17.36 days). mv : 2.23; spectral type: A0 V (A), G5 V (B); distance: 22 pc.
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