Research topic: Dog Star

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Artist's rendering of the binary star system of Sirius A and its diminutive blue companion, Sirius B. (Image by NASA)

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Dog Star

Britannica Concise Encyclopedia

[or Dog Star ] Brightest star in the night sky (apparent magnitude 1.44), a binary star about 8.6 light-years from the Sun in the constellation Canis Major. The bright component of the binary is a blue-white star 23 times as luminous as the Sun, about twice the size, and considerably hotter; its companion was the first white dwarf ...

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Sirius

Sirius , or Dog Star, brightest star in the sky. It is located in the constellation Canis Major (1992 position R.A. 6 h 44.8 m , Dec. -16°42′); its Bayer designation is Alpha Canis Majoris. Sirius [Gr.,=scorching], having an apparent magnitude of -1.45, is exceeded in brightness ...

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Dog Star

Dog Star see Sirius . Author not available, DOG STAR. , The Columbia Encyclopedia, Sixth Edition 2008

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Sirius B, zooming on

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