Infrared Excesses in Kepler Multiplanet Systems Using WISE

Details Infrared Excesses in Kepler Multiplanet Systems Using WISE Infrared Excesses in Kepler Multiplanet Systems Using WISE

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..605l&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.605

Mathematics

Probability

Scientific paper

The newly-announced Kepler multiplanet systems are suddenly the best candidates to host undetected hot asteroid belts. Low mutual inclinations and over-stable orbits make it likely there has not been large-scale planet migration, and thus several Earth masses of planet-building material were (and perhaps still are) present within 1 AU of these stars. Because of this location close to the star, planetesimal belts between these planets would be hot asteroid belts with equilibrium temperatures measured in hundreds of Kelvin. Mid-infrared data from WISE is used to constrain the amount of dust present in these systems. Beyond analyzing valuable multi-wavelength data on these exciting new planetary systems, these dust measurements help address the puzzle of how some mature stellar systems currently have massive dust disks, despite models finding very low probability of their existence.

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