Three-lane and multi-lane signatures of planets in planetesimal disks

Abstract

In massive numerical experiments we show that a planet embedded in a planetesimal disk induces a characteristic multi-lane "planetosignature" representing a pattern of several stellar-centric rings. If the planet's mass is large enough, the multi-lane signature degenerates to a three-lane one: then it consists of three rings, one bright coorbital with the planet, and two dark gaps in the radial distribution of the particles. The gaps correspond to orbital resonances 2:1 and 1:2 with the planet. This theoretical prediction may explain recent ALMA observations of the disk of HL Tau.

5 pages, 3 figures, 1 table

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• Simulations of the dynamics of the debris disks in the systems Kepler-16, Kepler-34, and Kepler-35
• "Horseshoe" Structures in the Debris Disks of Planet-Hosting Binary Stars
• Catastrophic events in protoplanetary disks and their observational manifestations
• Extended planetary chaotic zones
• Evolution of Planetary Chaotic Zones in Planetesimal Disks
• Dynamical environments of relativistic binaries: The phenomenon of resonance shifting
• Structure of the Stellar Neighborhood of CQ Tau in the Presence of a Companion in an Elongated Orbit