Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.283..358s&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 283, Issue 2, pp. 358-366.
Astronomy and Astrophysics
Astronomy
10
Stars: Formation, Galaxies: Spiral, Galaxies: Structure
Scientific paper
We have constructed a new model for galactic structure based on the principles of propagating star formation. Unlike earlier simulations using this mechanism, it represents the galactic molecular clouds as distinct entities which move, interacting with one another through collisions, in a smooth gravitational field. This allows us to superimpose on the propagating star formation a potential which represents the underlying dynamics of the stellar population, and to include more realistic physics describing the interstellar medium. In this paper we investigate in more detail the effects of one such potential, namely a spiral density wave, both on the resulting structures and on the star formation rate.
Alexander Paul
Sleath J. P.
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