18 Facts About Corona Borealis

Corona Borealis is a small constellation in the Northern Celestial Hemisphere.

In classical mythology Corona Borealis generally represented the crown given by the god Dionysus to the Cretan princess Ariadne and set by her in the heavens.

The yellow supergiant R Coronae Borealis is the prototype of a rare class of giant stars—the R Coronae Borealis variables—that are extremely hydrogen deficient, and thought to result from the merger of two white dwarfs.

ADS 9731 and Sigma Coronae Borealis are multiple star systems with six and five components respectively.

Zeta Coronae Borealis was noted to be a double star by later astronomers and its components designated Zeta and Zeta.

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Corona Borealis named them 20 and 21 Coronae Borealis in his catalogue, alongside the designations Nu and Nu respectively.

For most of its existence, Delta Coronae Borealis was a blue-white main-sequence star of spectral type B before it ran out of hydrogen fuel in its core.

Zeta Coronae Borealis is a double star with two blue-white components 6.

Nu Coronae Borealis is an optical double, whose components are a similar distance from Earth but have different radial velocities, hence are assumed to be unrelated.

An outburst of T Coronae Borealis was first recorded in 1866; its second recorded outburst was in February 1946.

RS Coronae Borealis is yet another semiregular variable red giant, which ranges between magnitudes 8.

Meanwhile, U Coronae Borealis is an Algol-type eclipsing binary star system whose magnitude varies between 7.

The spectrum of Epsilon Coronae Borealis was analysed for seven years from 2005 to 2012, revealing a planet around 6.

Kappa Coronae Borealis is a spectral type K1IV orange subgiant nearly twice as massive as the Sun; around it lies a dust debris disk, and one planet with a period of 3.

In Greek mythology, Corona Borealis was linked to the legend of Theseus and the minotaur.

Corona Borealis was one of the 48 constellations mentioned in the Almagest of classical astronomer Ptolemy.

Skidi people of Native Americans saw the stars of Corona Borealis representing a council of stars whose chief was Polaris.

Corona Borealis was renamed Corona Firmiana in honour of the Archbishop of Salzburg in the 1730 Atlas Mercurii Philosophicii Firmamentum Firminianum Descriptionem by Corbinianus Thomas, but this was not taken up by subsequent cartographers.