| Issue |
A&A
Volume 425, Number 1, October I 2004
|
|
|---|---|---|
| Page(s) | L9 - L12 | |
| Section | Letters | |
| DOI | https://doi.org/10.1051/0004-6361:200400053 | |
| Published online | 10 September 2004 | |
Letter to the Editor
Planets opening dust gaps in gas disks
1
Leiden Observatory, Postbus 9513, 2300 RA Leiden, The Netherlands e-mail: paardeko@strw.leidenuniv.nl
2
ASTRON, Postbus 2, 7990 AA Dwingeloo, The Netherlands e-mail: gmellema@astron.nl
Received:
7
July
2004
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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