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Characterizing planetesimal belts through the study of debris dust

Published online by Cambridge University Press:  10 November 2011

Amaya Moro-Martín*
Affiliation:
Departamento de Astrofísica, CAB (CSIC-INTA), Instituto Nacional de Técnica Aeroespacial, Torrejón de Ardoz, 28850, Madrid, Spain email: amaya@cab.inta-csic.es Department of Astrophysical Sciences, Princeton University, Peyton Hall, Ivy Lane, Princeton, NJ 08544, USA
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Abstract

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Main sequence stars are commonly surrounded by disks of dust. From lifetime arguments, it is inferred that the dust particles are not primordial but originate from the collision of planetesimals, similar to the asteroids, comets and KBOs in our Solar system. The presence of these debris disks around stars with a wide range of masses, luminosities, and metallicities, with and without binary companions, is evidence that planetesimal formation is a robust process that can take place under a wide range of conditions. Debris disks can help us learn about the formation, evolution and diversity of planetary systems.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2011

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