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A pas de trois birth for wide binary stars

The widest binary star systems pose a challenge to theory: true stellar twins could not form so far apart. Simulations suggest these twins are in fact triplets, two of which masquerade as one star and cast out the third. See Letter p.221

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Figure 1: Wide binary star systems.



  1. *This article and the paper under discussion1 were published online on 5 December 2012.


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Correspondence to Keivan Guadalupe Stassun.

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Stassun, K. A pas de trois birth for wide binary stars. Nature 492, 191–192 (2012).

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