Name a Star in the Triangulum Australe Constellation

Modified: July 1, 2023     Author: International Star Registry

International Star registry 45th anniversary logo surrounded by stars.

The Southern Triangle is much more noticeable than its northern (the original) cousin. It was first indentifed by Petrus Plancius and later recognized by Bayer, who published news of its existence in his 1603 star atlas. Supposedly it honored the three patriarchs, Abraham, Isaac, and Jacob. It lies south of Ara and Norma between the tail of Pavo and the front feet of the Centaur. 

Triangulum Australe is a small constellation located in the southern hemisphere. It’s easily recognizable due to its triangular shape. It lies too far south to be seen in most of the northern hemisphere, but for those living in much of parts of Africa, South America, and Australia it is viewable year-round. It shares a border with Apus, Ara, Circinus, and Norma. Triangulum Australe contains three bright stars that form a triangle. They are Alpha Trianguli Australis, Beta Trianguli Australis and Gamma Trianguli Australis., make up the triangle. Its brightest star, Alpha Trianguli Australis, is also known as “Atria” Like the constellations Circinus, the compass, and Norma, the set square, this constellation was named for a navigational or drafting tool.  

If you’re looking for a timeless and meaningful birthday gift idea for someone of any age, consider naming a star after them through the International Star Registry. This organization allows individuals to give a special name to a real star and receive a certificate, star chart, and detailed information about the star they have named. The named star will not be officially recognized by astronomers, but it can serve as a sentimental and memorable token for the recipient. 

The recipient of the gift will not only have a named star, but they will also have a deeper connection to the constellation Triangulum Australe and its place in the night sky. Click here for more information.

Naming a star as a birthday gift for someone of any age through the International Star Registry is a thoughtful and timeless idea. Consider the constellation Triangulum Australe and its bright stars and interesting deep-sky objects as a perfect way to honor a special occasion and celebrate the beauty of the night sky. The recipient will have a personal and sentimental connection to the stars, and a reminder of their special day that they can cherish for years to come. This gift is ideal for anyone who loves the stars, the beauty of the night sky, or has an interest in astronomy. 

Symbol: TrA  

Right Ascension: 04:14  

Declination: -67  

Diameter (°): 

Area (square °): 110  

Opposition: May 27  

Size Rank: 83rd  

Brightness Rank: 46th  

Genitive: Trianguli Australis 

Major stars in Triangulum Australe 

Atria – α Trianguli Australis (Alpha Trianguli Australis) 

β Trianguli Australis (Beta Trianguli Australis) 

γ Trianguli Australis (Gamma Trianguli Australis) 

δ Trianguli Australis (Delta Trianguli Australis) 

ε Trianguli Australis (Epsilon Trianguli Australis) 

ζ Trianguli Australis (Zeta Trianguli Australis) 

κ Trianguli Australis (Kappa Trianguli Australis) 

ι Trianguli Australis (Iota Trianguli Australis) 

ι Trianguli Australis (Iota Trianguli Australis) 

X Trianguli Australis 

HD 133683 

η Trianguli Australis (Eta Trianguli Australis) 

HD 147018 

EK Trianguli Australis 


Deep sky objects in Triangulum Australe 

ESO 69-6 

NGC 6025 

NGC 5938 

ESO 137-001 

NGC 5979 

Henize 2-138

In conclusion, the constellation Triangulum Australe is a beautiful and interesting part of the night sky, and a great way to celebrate a special occasion by naming a star through  International Star Registry. Whether you’re looking for a birthday gift for a child, an adult, or someone in between, this timeless gift will bring joy and inspiration every time they look up at the stars. 


Q. What is Triangulum Australe? 

A. Triangulum Australe is the 83rd constellation in size, occupying an area of 110 square degrees. 

Q. What is Alpha Trianguli Australis? 

A. Atria – α Trianguli Australis (Alpha Trianguli Australis) Alpha Trianguli Australis is the brightest star in Triangulum Australe. 

Q. Is the constellation associated with a myth? 

A. Triangulum Australe is not associated with any myths. 

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