On radial motion of dense regions and objects in protoplanitary-like disks

Details On radial motion of dense regions and objects in protoplanitary-like disks On radial motion of dense regions and objects in protoplanitary-like disks

2009-06-05

arxiv.org/abs/0906.1119v2

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

5 pages, changed some words to describe the ideas more fittingly

Scientific paper

Astronomers recently discovered a non-trivial radial motion of stars within our galaxy and were able to reproduce the results using n-body numerics. I modeled a protoplanitary-like disk within a newtonian $\infty$-body problem and considered the stability of local trajectories giving a qualitative explanation to the observed radial motion. As a prospect there will be a short estimate on the impact on spiral arms.

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