Alpha Coronae Borealis

binary star in the constellation Corona Borealis

Alpha Coronae Borealis or Alphecca is the brightest star in the constellation Corona Borealis. It is a binary star in which a yellow star like our Sun orbits a larger white one.[1]

References

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  1. Tomkin, J.; Popper, D. M. (1986). "Rediscussion of eclipsing binaries. XV - Alpha Coronae Borealis, a main-sequence system with components of types a and G". The Astronomical Journal. 91: 1428. doi:10.1086/114121.