Atria


Atria (α Trianguli Australis) is the brightest star in the constellation Triangulum Australe. It is nearly 400 light-years (ly) away and has an apparent magnitude of 1.91 mag.

The name Atria is an artificial word from the Bayer designation (Alpha Trianguli Australis).

Atria
Constellation Triangulum Australe
Right ascension 16h 48m 39.9s
Declination -69° 01′ 39.8″
Apparent magnitude 1.91 mag
Distance (391 ± 7) ly
Bayer designation α Trianguli Australis
Bright Star Catalogue HR 6217
Hipparcos Catalogue HIP 82273
SAO Catalogue SAO 253700
Position of Atria (α Trianguli Australis) in the constellation Triangulum Australe. Chart: International Astronomical Union in collaboration with the magazine Sky & Telescope