Celestial Atlas
Triangulum <—     Triangulum Australe: The Southern Triangle     —> Tucana
(possessive form Trianguli Australis, abbreviation TrA)
Hold the cursor over any Greek letter shown in the text to see its English transliteration

One of twelve southern constellations mapped by Dutch explorer Frederick de Houtman and navigator Pieter Dirkszoon Keyser in 1595-97, formed into constellations by Dutch astronomer Petrus Plancius, and introduced to the world at large by Johann Bayer, in his 1603 Uranometria.


Illustrations of Triangulum Australe
From Bayer's 1603 Uranometria
(Image from the USNO copy of the 1661 edition of Bayer's Uranometria)
Portion of Bayer's Uranometria showing Triangulum Australe
The bright star to the right is Rigel Kentaurus (the foot of the Centaur), or α Centauri

From Bode's 1801 Uranographia
(Image Credit and © Tartu Observatory Virtual Museum; used by permission)
Portion of Bode's Uranographia showing the region near Triangulum Australe

Map of Triangulum Australe
Modified version of Wikimedia Commons map by Torsten Bronger


Stars in Triangulum Australe

     Stars which have common names often have multiple names, so the common names shown (if any) cannot be considered authoritative. Right ascension and declination are given in 2000.0 coordinates.

α TrA

β TrA

γ TrA

δ TrA

ε TrA


Celestial Atlas
Triangulum <—     Triangulum Australe: The Southern Triangle     —> Tucana