Atria (α TrA) - The brightest star of the constellation is a 2nd magnitude star. The orange color of this star is noticeable even with the naked eye. It is located at a distance of 80 light years. Its name Atria is an abbreviation of the words alpha Triangulum Australis, which were introduced by air navigators during World War II.

β TrA - The main component has a brightness of 2.9 mag and is separated by 155 "from a "faint companion of 14 mag, which is not physically related to it. The brighter component has a white hue and is located 40 light-years away.

S TrA - Another bright Cepheid. This time with a period of 6.323 days and a magnitude range from 6.1 to 6.7.

R TrA - Cepheid variable changing its brightness by almost one magnitude: 6-6.8 mag with a period of 3.389 days. For cepheids that change their brightness so rapidly, determining their brightness once per night is insufficient.