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Corona Borealis is a small constellation in the Northern Celestial Hemisphere. It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and remains one of the 88 modern constellations. Its brightest stars form a semicircular arc. Its Latin name, inspired by its shape, means "northern crown".
This is the list of notable stars in the constellation Corona Borealis, sorted by decreasing brightness. Name B F Var ... "Identification of a Constellation from a ...
Sigma Coronae Borealis (σ CrB) is a star system in the constellation of Corona Borealis. It is a quintuple star system containing three sunlike main-sequence stars and two other low-mass stars. The combined visual magnitude is 5.3 and the system lies 74 light years from Earth. σ CrB A is the variable star TZ Coronae Borealis.
Alpha Coronae Borealis (α Coronae Borealis, abbreviated Alpha CrB, α CrB), officially named Alphecca / æ l ˈ f ɛ k ə /, [10] is an eclipsing binary star in the constellation of Corona Borealis. It is located about 75 light years from the Sun and contains two main sequence stars, one class A and one class G.
T Coronae Borealis (T CrB), nicknamed the Blaze Star, is a binary star and a recurrent nova about 3,000 light-years away in the constellation Corona Borealis. [11] It was first discovered in outburst in 1866 by John Birmingham, [12] though it had been observed earlier as a 10th magnitude star. [13] It may have been observed in 1217 and in 1787 ...
Epsilon Coronae Borealis, Latinized from ε Coronae Borealis, is a multiple star system in the constellation Corona Borealis located around 230 light-years from the Solar System. It shines with a combined apparent magnitude of 4.13, [9] meaning it is visible to the unaided eye in all night skies except those brightly lit in inner city locations ...
This fine telescopic image of Comet C/2022 E3 is sweeping across the northern constellation Corona Borealis in predawn skies. It will be closest to the Sun on Jan. 12 and closest to Earth Feb. 1.
Theta Coronae Borealis, Latinized from θ Coronae Borealis, is a binary star system in the constellation Corona Borealis. It shines with a combined apparent visual magnitude (V band) of 4.13. [ 10 ] There are two components: Theta Coronae Borealis A with an apparent magnitude of about 4.2, while Theta Coronae Borealis B lies around 1 arcsecond ...