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Beaming Binaries: A New Observational Category of Photometric Binary Stars

Mazeh, Tsevi; Zucker, Shay; Alexander, Tal

The new photometric spaceborne survey missions COROT and Kepler will be able to detect minute flux variations in binary stars due to relativistic beaming caused by the line-of-sight motion of their components. In all but very short period binaries (P>10 days), these variations will dominate over the ellipsoidal and reflection periodic variabili…