Acrux

Acrux, also known as Alpha Crucis is the brightest star of the constellation of Crux, the Southern Cross.

It is a double star, easily splittable in a small telescope. The separation is 3.6 arc-seconds.

The Acrux multiple star system is 321 light-years from the Earth. Both are massive Class B stars many thousands of times brighter than the Sun and they orbit each other over a period of 1500 years.


All images © R.Powell


 

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