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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 358646.0, MPI für Astronomie / Publikationen_mpia
Are debris disks and massive planets correlated?
Authors:Moro-Martín, A.; Carpenter, J. M.; Meyer, M. R.; Hillenbrand, L. A.; Malhotra, R.; Hollenbach, D.; Najita, J.; Henning, T.; Kim, J. S.; Bouwman, J.; Silverstone, M. D.; Hines, D. C.; Wolf, S.; Pascucci, I.; Mamajek, E. E.; Lunine, J.
Date of Publication (YYYY-MM-DD):2007
Title of Journal:The Astrophysical Journal
Volume:658
Start Page:1312
End Page:1321
Audience:Not Specified
Abstract / Description: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 mum the signal-to-noise ratio in the excess is 4.7, while at lambda<30 mum 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.
Free Keywords:Stars: Circumstellar Matter; Kuiper Belt; Infrared: Stars; Stars: Planetary Systems; stars: individual (HD 6434); Stars: Individual: Henry Draper Number: HD 38529; stars: individual (HD 80606); stars: individual (HD 92788); stars: individual (HD 106252); stars: individual (HD 121504); stars: individual (HD 141937); stars: individual (HD 150706); Stars: Individual: Henry Draper Number: HD 179949; stars: individual (HD 190228)
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/abs/2007ApJ...658.1312M
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