A Possible Correlation between Mass Ratio and Period Ratio in Multiple Planetary Systems

Details A Possible Correlation between Mass Ratio and Period Ratio in Multiple Planetary Systems A Possible Correlation between Mass Ratio and Period Ratio in Multiple Planetary Systems

2003-06-29

arxiv.org/abs/astro-ph/0306612v1

Astrophys.J. 590 (2003) L115

Astronomy and Astrophysics

Astrophysics

8 pages, 2 figures, published in The Astrophysical Journal Letters

Scientific paper

10.1086/376893

We report on a possible correlation between the mass ratio and period ratio
of pairs of adjacent planets in extra-solar planetary systems. Monte-Carlo
simulations show that the effect is significant to level of 0.7%, as long as we
exclude two pairs of planets whose periods are at the 1:2 resonance. Only the
next few multiple systems can tell if the correlation is real.

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