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- Klaus Beuermann, Frederic V. Hessman, +10 authors Jolanda S J Hermes
- 2010
Planets orbiting post-common envelope binaries provide fundamental information on planet formation and evolution. We searched for such planets in NN Ser ab, an eclipsing short-period binary that… (More)
- Wilhelm Kley
- 1998
We study the structure and dynamics of the gap created by a protoplanet in an accretion disc. The hydrodynamic equations for a flat, two-dimensional, non-selfgravitating protostellar accretion disc… (More)
- G. D’Angelo, Th. Henning, Wilhelm Kley
- 2001
We study the evolution of embedded protoplanets in a protostellar disk using very high resolution nested-grid computations. This method allows us to perform global simulations of planets orbiting in… (More)
- G. D’Angelo, Th. Henning, Wilhelm Kley
- 2003
With a series of numerical simulations, we analyze the thermo-hydrodynamical evolution of circumstellar disks containing Jupiter-size protoplanets. In the framework of the two-dimensional… (More)
We investigate the gravitational interaction of a Jovian-mass protoplanet with a gaseous disc with aspect ratio and kinematic viscosity expected for the protoplanetary disc from which it formed.… (More)
- Miguel de Val-Borro, R. G. Edgar, +20 authors R. Speith
- 2006
We perform numerical simulations of a disc–planet system using various grid-based and smoothed particle hydrodynamics (SPH) codes. The tests are run for a simple setup where Jupiter and Neptune mass… (More)
- Marius Hertfelder, Wilhelm Kley
- 2015
Context. Disk accretion onto weakly magnetized stars leads to the formation of a boundary layer (BL) where the gas loses its excess kinetic energy and settles onto the star. There are still many open… (More)
- Wilhelm Kley
- 1999
The discovery of now about 20 extrasolar planets orbiting solar-type stars with properties quite different from those in our Solar System has raised many questions about the formation and evolution… (More)
Context. Young planets embedded in their protoplanetary disk interact gravitationally with it leading to energy and angular momentum exchange. This interaction determines the evolution of the planet… (More)
- M. Stoll, Wilhelm Kley
- 2014
Context. The origin of turbulence in accretion discs is still not fully understood. While the magneto-rotational instability is thought to operate in sufficiently ionised discs, its role in the… (More)