Alphecca(redirected from Alphekka)
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.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006