Resonance trapping of circumstellar dust particles by an alleged planet

Details Resonance trapping of circumstellar dust particles by an alleged planet Resonance trapping of circumstellar dust particles by an alleged planet

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993cemda..56..381s&link_type=abstract

Celestial Mechanics and Dynamical Astronomy (ISSN 0923-2958), vol. 56, no. 1-2, p. 381-393.

Astronomy and Astrophysics

Astronomy

12

Connection Machine, Cosmic Dust, Digital Simulation, Poynting-Robertson Effect, Stellar Envelopes, Trapped Particles, Equations Of Motion, Planetary Mass, Planetary Orbits

Scientific paper

The dynamical evolution of dust particles forming a circumstellar disk around Beta Pictoris is followed by numerical simulations on a Connection Machine. The disk appears to be cleared inside a radius of about 20 AU. We integrate simultaneously the orbits of 8000 dust particles subjected to Poynting-Robertson drag and perturbed by one alleged planet. The simulations show that a planet revolving about Beta Pictoris at a mean distance of 20 AU with a mass of at least 2 x 10 exp -5 central stellar mass can confine the disk by outer resonance trapping. The azimuthal density distribution of particles which shows very strong variations appears to be stationary in a frame rotating with the planet.

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