Computer analysis of galactic symmetry

Details Computer analysis of galactic symmetry Computer analysis of galactic symmetry

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasp..105..644e&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 105, no. 688, p. 644-647.

Astronomy and Astrophysics

Astronomy

4

Computerized Simulation, Galactic Structure, Spiral Galaxies, Symmetry, Fourier Transformation, H Ii Regions, Morphology

Scientific paper

A new algorithm for illustrating symmetric structure in galaxies was recently applied to a sample of 18 spirals (Elmegreen et al. 1992). The results were analyzed in terms of spiral-wave resonances using observed or generic rotation curves (scaled with absolute magnitude), and shown to provide some foundation to the expectation that spiral features with m-fold symmetry in azimuth lie primarily between the m:l Lindblad resonances. Here we say a bit more about this method.

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