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Kaus Australis

Epsilon Sagittarii, 20 Sagittarii

One of three stars (the others being Kaus Media and Kaus Borealis) that together make up the 'bow' of their home constellation, Sagittarius the Archer. Though designated Epsilon, Kaus Australis is actually the brightest of Sagittarius' stars.

Kaus Australis is just under 150 light years from the Solar System. Like all of Sagittarius' stars, it is in the general direction of the Galactic Nucleus.

Its spectral classification shows it to be a Giant blue-white star, and a binary: the primary star is fairly bright, with a magnitude of +1.8, while its companion is much fainter at magnitude +14.1.


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