2 papers
astro-ph1999
Evolution of Shape in the Field
C. H. Heller
The evolution in shape of an isolated density enhancement in the early universe is studied through numerical simulations. The formation scenarios of a cold dissipationless collapse…
astro-ph1995
Stellar Orbits in Barred Galaxies with Nuclear Rings
C. H. Heller, I. Shlosman
We investigate the dynamical response of stellar orbits in a rotating barred galaxy potential to the perturbation by a nuclear gaseous ring. The change in 3D periodic orbit familie…