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Face-on accretion onto a protoplanetary disc
T. P. G. Wijnen, O. R. Pols, F. I. Pelupessy +1
Globular clusters (GCs) are known to harbor multiple stellar populations. To explain these observations Bastian et al. suggested a scenario in which a second population is formed b…
The Origin of Chaos in the Orbit of Comet 1P/Halley
Tjarda C. N. Boekholt, F. Inti Pelupessy, Douglas C. Heggie +1
According to Munoz-Gutierrez et al. (2015) the orbit of comet 1P/Halley is chaotic with a surprisingly small Lyapunov time scale of order its orbital period. In this work we analys…
Mass transfer between debris discs during close stellar encounters
Lucie Jilkova, Adrian S. Hamers, Michael Hammer +1
We study mass transfers between debris discs during stellar encounters. We carried out numerical simulations of close flybys of two stars, one of which has a disc of planetesimals…