Unstable low-mass planetary systems as drivers of white dwarf pollution

@article{Mustill2018UnstableLP,
  title={Unstable low-mass planetary systems as drivers of white dwarf pollution},
  author={A. Mustill and E. Villaver and D. Veras and B. Gansicke and A. Bonsor},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2018},
  volume={476},
  pages={3939-3955}
}
  • A. Mustill, E. Villaver, +2 authors A. Bonsor
  • Published 2018
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • At least 25 percent of white dwarfs show atmospheric pollution by metals, sometimes accompanied by detectable circumstellar dust/gas discs or (in the case of WD 1145+017) transiting disintegrating asteroids. Delivery of planetesimals to the white dwarf by orbiting planets is a leading candidate to explain these phenomena. Here, we study systems of planets and planetesimals undergoing planet–planet scattering triggered by the star's post-main-sequence mass loss, and test whether this can… CONTINUE READING
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