Statistics – Computation
Scientific paper
Mar 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...283..417z&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 283, no. 2, p. 417-423
Statistics
Computation
Algorithms, Computational Astrophysics, Computerized Simulation, Many Body Problem, Percolation, Perturbation Theory, Spiral Galaxies, Star Formation, Synchrotron Radiation, Accretion Disks, Computer Programs, Gravitational Effects, Mathematical Models, Supernovae, Two Dimensional Models
Scientific paper
We first develop an N-body code in Cartesian coordinates able to simulate the gravitational interaction between a rotating disk and a perturber. After deriving numerically the trajectories of the particles we develop a percolation algorithm in two dimensions able to follow the explosions of the supernovae. The code is then applied to produce a simple gravitational interaction between a Kuzmin's disk made of 32,700 particles and a perturber with a smaller mass. Once the position of the optical system is given we then easily trace the iso-emissivity contours of the synchrotron radiation from the relativistic electrons. Contour plots similar to the observations at various frequencies or different resolutions could be obtained by fine tuning of the parameter that gives the smoothing of the radiative processes.
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