Astronomy and Space

Alpha Trianguli Australis

Alpha Trianguli Australis (Latinised from α Trianguli Australis, abbreviated Alpha TrA, α TrA), officially named Atria (), is the brightest star in the southern constellation of Triangulum Australe, forming an apex of a triangle with Beta Trianguli Australis and Gamma Trianguli Australis that gives the constellation its name (Latin for southern triangle).

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See also

• ▸Fregat
• ▸Archaic period (North America)
• ▸Epsilon1 Arae

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