Friday 24 July 2020

Astrognome A-Z of Constellations # 81 Triangulum Australe

Triangulum Australe the Southern Triangle
A small but readily distinguishable constellation near alpha Centauri. It was introduced by the German astronomer Johann Bayer in 1603. It is the southern hemisphere equivalent of the long established northern Triangle, Triangulum.
Alpha magnitude 1.9, K2 giant with a temperature of 4,000’C and is 391 light years away
Beta magnitude 2.8 it’s a F1 class star with a temperature of 7,200’C and is 40 light years away.
gamma magnitude 2.9 is an A1 class star with a temperature of 9,200’C and lies 184 light years away

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