It was classified a variable star in 1985, though its fluctuations are too slight for the eye to see. Cor Coroli is an unusual star. Rather than exhibit brightness fluctuations, the intensity of these stars spectral lines vary over a period of days. The variations are related to changes in the stars magnetic fields. Feel free to make up patterns of your own.
Image is updated every four hours.
Put the sky in the palm of your hand. Jeff Kanipe is the author of A Skywatcher's Year , an astronomy guide just published by Cambridge University Press. The images in Skywatch are produced by Starry Night software . Starry Night Online Images Wednesday, May 2 The Diamond of Virgo, composed of the stars Arcturus, Spica, Denebola, and Cor Coroli, is the spring sky s signature asterism. The outer solar system in May, 2001.