5:2 MMR at HD 181433?

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5:2 MMR at HD 181433?

Post by Sirius_Alpha on 2nd August 2011, 7:04 am

A 5:2 Mean Motion Resonance between the outer two giant planets could stabilise the three-planet fit for HD 181433.
http://arxiv.org/abs/1108.0360

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Re: 5:2 MMR at HD 181433?

Post by Lazarus on 19th August 2011, 5:45 pm

Nice to see it is in fact possible to achieve stable orbital solutions for this system. Nevertheless there are several other multiplanet systems in the exoplanet catalogue which appear to be strongly unstable.
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