A Search for Widely-Separated Low-Mass Companions Around Extra-Solar Planetary Systems

Details A Search for Widely-Separated Low-Mass Companions Around Extra-Solar Planetary Systems A Search for Widely-Separated Low-Mass Companions Around Extra-Solar Planetary Systems

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30136f&link_type=abstract

Spitzer Proposal ID #30136

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Scientific paper

We propose to extend our initial IRAC survey for widely-separated sub-stellar mass companions around extra-solar planetary systems in order to have a complete, volume-limited sample of Exoplanet systems within 50 pc of the Sun. Our survey is tuned to search for late-M, L, and T-dwarf companions in these systems that are located about 50 to 10,000 AU from the primary. These data, when combined with those from other ground-based surveys, will be used to answer important questions about the frequency of planetary and sub-stellar mass companions over a wide range of possible separations from their primaries. The combined Exoplanet companion search would offer an opportunity to place much stronger constraints on theoretical models of star and planet formation as well as giant planet migration.

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