Affordable Access

Locating Planetesimal Belts in the Multiple-planet Systems HD 128311, HD 202206, HD 82943, and HR 8799

  • Moro-Martin, Amaya
  • Malhotra, Renu
  • Bryden, Geoffrey
  • Rieke, George H.
  • Su, Kate Y. L.
  • Beichman, Charles A.
  • Lawler, Samantha M.
Publication Date
Jul 10, 2010
Caltech Authors
External links


In addition to the Sun, six other stars are known to harbor multiple planets and debris disks: HD 69830, HD 38529, HD 128311, HD 202206, HD 82943, and HR 8799. In this paper, we set constraints on the location of the dust-producing planetesimals around the latter four systems. We use a radiative transfer model to analyze the spectral energy distributions of the dust disks (including two new Spitzer IRS spectra presented in this paper), and a dynamical model to assess the long-term stability of the planetesimals' orbits. As members of a small group of stars that show evidence of harboring a multiple planets and planetesimals, their study can help us learn about the diversity of planetary systems.

Report this publication


Seen <100 times