Triangulum Australe

Triangulum Australe

Transit Date of principal star:
3 June

Triangulum Australe, "The Southern Triangle", is one of the few constellations which has an obvious asterism. It was introduced by Johann Bayer in 1603.

The half-dozen Bayer stars range from 1.9 to 5.9 visual magnitude.

Double stars:

[Note: See the Binocular Section link, at the bottom of the page]

Variable stars:

R TrA is a cepheid varying from 6.0 to 6.8 every 3.4 days.

S TrA has a copper tint to it; this is a cepheid varying from 6.1 to 6.7 every 6.3 days. It's located less than one degree SE of beta TrA.

Deep Sky Objects:

NGC 6025 is a fairly bright open cluster of about thirty stars; it's found three degrees NNE of beta Trianguli Australis.

For a little more on Triangulum Australe visit the Binocular Section.

Return to the previous page:

Or go to

the Main Menu

All files associated with The Constellations Web Page are
© Richard Dibon-Smith.