R Canis Majoris starA semidetached eclipsing binary, in which the less massive component almost fills its Roche lobe. The prototype varies in brightness from magnitude 6.7 to 5.9 (roughly doubling) in a period of 27 hours. Related entries• close binary• variable stars Related category• TYPES OF STARSAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |