Bet

Nearby star

Its story

Beta Trianguli Australis shines as the brightest jewel of the small Southern Triangle, a constellation that only reveals itself from southern latitudes. Just 40 light-years away, it is an F-type subgiant that has already begun to swell after burning through the hydrogen in its core. Its golden-white light crosses a distance roughly nine times that of Vega, and watching it is to glimpse the fate awaiting the Sun several billion years from now.

Constellation: Triangulum Australe
Apparent magnitude: 2.83
Distance: 40.4 light years
Coordinates (J2000): RA 238.786° · Dec -63.431°
Catalogue: HIP 77952 · HD 141891

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