Are Debris Disks and Massive Planets Correlated?

doi:10.1086/511746

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The Astrophysical Journal Volume 658 Number 2 Create an alert RSS this journal

Amaya Moro-Martín et al. 2007 ApJ 658 1312 doi:10.1086/511746

Are Debris Disks and Massive Planets Correlated?

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Amaya Moro-Martín¹, John M. Carpenter², Michael R. Meyer³, Lynne A. Hillenbrand², Renu Malhotra⁴, David Hollenbach⁵, Joan Najita⁶, Thomas Henning⁷, Jinyoung S. Kim³, Jeroen Bouwman⁷, Murray D. Silverstone³, Dean C. Hines⁸, Sebastian Wolf⁷, Ilaria Pascucci³, Eric E. Mamajek⁹ and Jonathan Lunine⁴

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Abstract References Cited By

Using data from the Spitzer Space Telescope Legacy Science Program Formation and Evolution of Planetary Systems (FEPS), we have searched for debris disks around nine FGK stars (2-10 Gyr), known from radial velocity (RV) studies to have one or more massive planets. Only one of the sources, HD 38529, has excess emission above the stellar photosphere; at 70 μm the signal-to-noise ratio in the excess is 4.7, while at λ < 30 μm there is no evidence of excess. The remaining sources show no excesses at any Spitzer wavelengths. Applying survival tests to the FEPS sample and the results for the FGK survey recently published in Bryden et al., we do not find a significant correlation between the frequency and properties of debris disks and the presence of close-in planets. We discuss possible reasons for the lack of a correlation.

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