Noun
eclipsing binary (plural eclipsing binaries)
(astronomy) Any of a class of extrinsic variable stars where changes in brightness are caused by stars eclipsing each other.
From the point of view of the Earth, Algol Aa1 and Algol Aa2 form an eclipsing binary because their orbital plane contains the line of sight to the Earth. Source: Internet
However the fainter star is the more massive at 19 solar masses to the primary's 16. citation R Canis Majoris is another eclipsing binary that varies from magnitude 5.7 to 6.34 over 1.13 days, citation with a third star orbiting these two every 93 years. Source: Internet
Horus represented the eclipsing binary Algol in the Calendar of Lucky and Unlucky Days of papyrus Cairo 86637. citation citation Horus was occasionally shown in art as a naked boy with a finger in his mouth sitting on a lotus with his mother. Source: Internet
The light curve of an eclipsing binary is characterized by periods of practically constant light, with periodic drops in intensity. Source: Internet
The maximum luminosity of an eclipsing binary system is equal to the sum of the luminosity contributions from the individual stars. Source: Internet