Volume 425, Number 1, October I 2004
|Page(s)||L9 - L12|
|Published online||10 September 2004|
Letter to the Editor
Planets opening dust gaps in gas disks
Leiden Observatory, Postbus 9513, 2300 RA Leiden, The Netherlands e-mail: email@example.com
2 ASTRON, Postbus 2, 7990 AA Dwingeloo, The Netherlands e-mail: firstname.lastname@example.org
Accepted: 10 August 2004
We investigate the interaction of gas and dust in a protoplanetary disk in the presence of a massive planet using a new two-fluid hydrodynamics code. In view of future observations of planet-forming disks we focus on the condition for gap formation in the dust fluid. While only planets more massive than 1 Jupiter mass () open up a gap in the gas disk, we find that a planet of 0.1 already creates a gap in the dust disk. This makes it easier to find lower-mass planets orbiting in their protoplanetary disk if there is a significant population of mm-sized particles.
Key words: hydrodynamics / stars: planetary systems
© ESO, 2004
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