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Wolf-Rayet star
(redirected from Wolf-Rayet stars)

   Also found in: 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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Checking novae, supernovae, eclipsing binaries, Wolf-Rayet stars and re-classification of bright red variables are areas being followed, and pro-am initiatives involve development of a database of spectra (not only of variable stars), and support of professional observing campaigns.
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.
Before exploding, these stars, then known as Wolf-Rayet stars, have lost their outer atmosphere and slimmed down to a mere 10 to 20 times the mass of the sun.
 
 
 
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