R Canis Majoris star A 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 STARS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |