U Coronae Borealis Explained

U Coronae Borealis (U CrB) is an Algol-type eclipsing binary star system in the constellation Corona Borealis. Its apparent magnitude varies between 7.66 and 8.79 over a period of 3.45 days.[1] The component stars are a blue-white main sequence star of spectral type B6V and a cooler yellow-white subgiant star of spectral type F8III-IV.[2]

Notes and References

  1. Web site: U Coronae Borealis. VSX. 4 January 2010. AAVSO Website. American Association of Variable Star Observers. 10 March 2015.
  2. Ibanoǧlu, C. . DervişoǧLu, A. . Ćakırlı, Ö. . Sipahi, E. . Yüce, K. . 2012. Carbon deficiencies in the primaries of some classical Algols. Monthly Notices of the Royal Astronomical Society. 419. 2. 1472–79. 2012MNRAS.419.1472I. 1109.1939 . 10.1111/j.1365-2966.2011.19812.x . free . 119295168 .

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