Bw star A B star with weak helium lines – in other words, a B star which, if classified according to its color, would have helium lines too weak for the classification, and which, if classified according to its helium lines, would have colors too blue for its spectral type. Also known as a helium-weak star. Related entry • variable stars Related category • TYPES OF STAR Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |