Origin from 1589
Triangulum Australe is one of the 88 modern constellations recognized by the International Astronomical Union. Its genitive form is Trianguli Australis, its standard abbreviation is TrA, it is traditionally shown as the Southern Triangle. It belongs to the Hercules family of constellations and lies in the third quadrant of the southern hemisphere. The constellation covers about 110 square degrees of sky, ranking 83rd in size among the 88. Its brightest star is α TrA (Atria) at apparent magnitude 1.91. It borders Norma, Ara, Circinus and Apus. In this atlas the entity is the shared sky reference for astronomical objects catalogued by constellation, so every star, nebula or galaxy located within Triangulum Australe resolves to one identity.
Facts
Origins
Origin Period Sources
1. Triangulum Australe (Wikipedia)
Wikipedia, Triangulum Australe, lead section and infobox
Triangulum Australe is a small constellation in the far Southern Celestial Hemisphere.
Lead section: origin year
It was first depicted on a celestial globe as Triangulus Antarcticus by Petrus Plancius in 1589, and later with more accuracy and its current name by Johann Bayer in his 1603 Uranometria.
View the Source2. Wikipedia
Wikimedia Foundation- IAU Status: IAU Recognized
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