Convergent Migration Renders TRAPPIST-1 Long-lived

@article{Tamayo2017ConvergentMR,
  title={Convergent Migration Renders TRAPPIST-1 Long-lived},
  author={D. Tamayo and H. Rein and C. Petrovich and N. Murray},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2017}
}
  • D. Tamayo, H. Rein, +1 author N. Murray
  • Published 2017
  • Physics
  • arXiv: Earth and Planetary Astrophysics
  • TRAPPIST-1 is a late M-dwarf orbited by seven Earth-sized planets with orbital period ratios near a chain of mean motion resonances. Due to uncertain system parameters, most orbital configurations drawn from the inferred posterior distribution are unstable on short timescales of $\sim$ 0.5 Myr, even when including the eccentricity damping effect of tides. By contrast, we show that most physically plausible resonant configurations generated through disk migration are stable even without tidal… CONTINUE READING
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