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Wolf-Rayet star

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.01 sec.
Wolf-Rayet star [ˈwʊlfˈreɪət]
n
(Astronomy) any of a small class of very hot intensely luminous stars surrounded by a rapidly expanding envelope of gas
[named after Charles Wolf (1827-1918) and Georges Rayet (1839-1906), French astronomers]


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This Wolf-Rayet star in Cygnus is an archetypal colliding wind binary system, the interaction between the powerful winds generated by the WR and O type stars being a subject of interest for astronomers working at wavelengths from radio to X-ray.
The more massive is a Wolf-Rayet star and may weigh more than 50 times the mass of our Sun.
Also highlighted are hydrogen-deficient stars in close binary systems, and massive Wolf-Rayet stars and their relation to Type I supernovae and Gamma-ray bursts.
 
 
 
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