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arXiv · 1005.2971

Locating the planetesimals belts in the multiple-planet systems HD 128311, HD 202206, HD 82943 and HR 8799

Amaya Moro-Martin·Renu Malhotra·Geoffrey Bryden·George H. Rieke·Kate Y. L. Su·Charles A. Beichman·Samantha M. Lawler
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Abstract

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.

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Amaya Moro-Martin, Renu Malhotra, Geoffrey Bryden, George H. Rieke, Kate Y. L. Su, Charles A. Beichman, Samantha M. Lawler. 2010-06-21. Locating the planetesimals belts in the multiple-planet systems HD 128311, HD 202206, HD 82943 and HR 8799. https://doi.org/10.1088/0004-637x%2F717%2F2%2F1123

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