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.


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