The grain dynamics and structures of debris discs

L.-C. Yeh; I.-G. Jiang

doi:doi:10.1051/epjconf/20111605006

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Issue		EPJ Web of Conferences Volume 16, 2011 Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference held in Shangai on Occasion of a Total Eclipse of the Sun


Article Number		05006
Number of page(s)		5
Section		Brown Dwarf and Planet Formation
DOI		http://dx.doi.org/10.1051/epjconf/20111605006
Published online		18 July 2011

EPJ Web of Conferences 16, 05006 (2011)
http://dx.doi.org/10.1051/epjconf/20111605006

The grain dynamics and structures of debris discs

L.-C. Yeh¹^a and I.-G. Jiang²^b

¹ Department of Applied Mathematics, National Hsinchu University of Education, Hsin-Chu, Taiwan
² Department of Physics and Institute of Astronomy, National Tsing-Hua University, Hsin-Chu, Taiwan

^a e-mail: lcyeh@mail.nhcue.edu.tw
^b e-mail: jiang@phys.nthu.edu.tw

Published online: 18 July 2011

Abstract

Numerical simulations are used to construct the possible dynamical models of the Vega’s debris disc. New dust grains are assumed to be generated from two clumpy regions. The goal is to test whether an overall circular-symmetric structure can be constructed if the birth places of grains are not uniformly distributed in a ring region.