Triangulum Australe: The Southern Triangle

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Triangulum Australe, The Southern Triangle

Triangulum Australe as depicted by Johannes Hevelius in his Firmamentum Sobiescianum sive Uranographia (1687). Source image provided by — Barry Lawrence Ruderman Antique Maps Inc.

Triangulum Australe Constellation Profile
Abbreviation: TrA Genitive: Trianguli Australis Origin: Keyser/de Houtman
Location: Southern Hemisphere Size/Area: 110 sq. deg. Size Rank: 83
On Meridian: 9pm July 5th Best View (North): Best View (South):
Bordering Constellations: Apus, Ara, Norma, Circinus


The Myth Behind the Constellation Triangulum Australe

Triangulum Australe, “The Southern Triangle” was a creation of Pieter Dirkszoon Keyser and Frederick de Houtman, late sixteenth century navigators.  This is the only one of the constellations they invented that was an inanimate object.

Triangulum Australe Constellation Points of Interest

Interesting stars and objects.

Bright Stars in Triangulum Australe

These are the stars in Triangulum Australe with a minimum magnitude of 3.0.

Name Bayer Name Magnitude Color Luminosity Distance
Atria Alpha Trianguli Australis 1.91  Orange 11,752 suns 415 ly
Beta Trianguli Australis Beta Trianguli Australis 2.83 Yellow-White 8.5 suns 40 ly
Gamma Trianguli Australis Gamma Trianguli Australis 2.87  Whiye 230 suns 183 ly