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Variable Stars in the Field of the Open Cluster NGC2204
M. Rozyczka, J. Kaluzny, W. Krzeminski +1
We present the results of a variable stars search in the field of the old open cluster NGC 2204. Five new variables were found, four of them being eclipsing binaries. The sample in…
Hot Jupiters and Central Cavities of Protoplanetary Discs
Szymon Starczewski, Artur J. Gawryszczak, Richard Wunsch +1
We investigate numerically the orbital evolution of massive extrasolar planets within central cavities of their parent protoplanetary discs. Assuming that they arrive at the inner…
Two-dimensional models of layered protoplanetary discs - II. The effect of a residual viscosity in the dead zone
R. Wunsch, A. Gawryszczak, H. Klahr +1
We study axisymmetric models of layered protoplanetary discs taking radiative transfer effects into account, and allowing for a residual viscosity in the dead zone. We also explore…
2-D models of layered protoplanetary discs: I. The ring instability
R. Wunsch, H. Klahr, M. Rozyczka
In this work we use the radiation hydrodynamic code TRAMP to perform a two-dimensional axially symmetric model of the layered disc. Using this model we follow the accumulation of m…
Formation of giant planets in disks with different metallicities
Kacper Kornet, Peter Bodenheimer, Michal Rozyczka +1
We present the first results from simulations of processes leading to planet formation in protoplanetary disks with different metallicities. For a given metallicity, we construct a…
An alternative look at the snowline in protoplanetary disks
Kacper Kornet, Michal Rozyczka, Tomasz F. Stepinski
We have calculated an evolution of protoplanetary disk from an extensive set of initial conditions using a time-dependent model capable of simultaneously keeping track of the globa…