Tags: Star.

Zeta Trianguli Australis (ζ TrA) is a spectroscopic binary in the constellation Triangulum Australe. It is approximately 39.5 light years from Earth.The system is composed of two main sequence stars one a yellow-white F-type dwarf and the other a yellow G-type dwarf. The binary’s composite spectral class is F9V and its combined apparent magnitude is +4.90.

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